20,000 Items Grades A2 (304) and A4 (316) in Metric, Unified and Imperial Thread Form
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Threaded Fasteners
Threaded Fasteners Introduction If you are designing and building a Formula SAE vehicle, threaded fasteners will likely be used to join the various components and systems together and allow the vehicle to function as a unified machine. The reliability of your vehicle is key to realize your potential at the competition. Even though threaded fasteners have been in use for hundreds of years and are in products that we use every day, their performance is dependent on a wide range of factors. This chapter covers some of the main factors that can influence reliability and is intended as an aid in joint design, fastener selection, and installation. The first portion of this chapter covers several design and installation factors that can work together to improve the reliability of your vehicle’s bolted joints. These topics include, the importance of generating and maintaining clamp load, and how clamp load, along with joint stiffness, can work together to prevent self-loosening and improve fatigue performance. The second portion of this chapter reviews how installation method and torque are related to clamp load, and also includes a comparison between common fastener types to aid in selection. The chapter concludes with a short tutorial showing how to obtain Mil Spec information on fasteners and similar hardware. Disclaimer – Multiple factors on each component in a bolted joint affect its performance. Additionally, service requirements for every joint differ. Each joint must be evaluated and tested for its ability to perform the desired function. The information in this chapter provides general background and does not represent how a specific design or piece of hardware will perform. -
Maclean ESNA's Catalog
611 COUNTRY CLUB ROAD POCAHONTAS, ARKANSAS 72445 SALES: 1-(800)-331-6469 FAX: 1-(870)-892-8938 WWW.MACLEANFOGGCS.COM 1 The ESNA® story began in 1927, when a young engineer named Carl Arthur Swanstrom came to this country from Sweden. He brought with him a license to manufacture and sell a unique new self-locking fastener. The Inventor called the new fastener an “Elastic Stop® nut” because the nut remained “stopped” anywhere along the bolt threads. A non-damaging insert, fitted into the top of the nut, gripped the bolt threads firmly, holding the nut in position without seating against the work or using secondary locking devices. The only problem with the new nut was the inability to mass-produce them. The next few years were spent perfecting an automatic assembly machine to insert the locking device into the top of the nut. Swanstrom perfected the machine in the early 1930s and only four years later the Elastic Stop® Nut Corporation of America was founded. A threaded fastener, able to positively resist the loosening effect of vibration, had long been sought by manufacturers of every type of equipment. The Elastic Stop® nut proved to be the answer — totally reliable, able to reduce maintenance costs and prevent equipment failure. The outstanding performance of the Elastic Stop® nut was further substantiated in 1943 when the Air Force tested and issued the first approval letter to use ESNA® fasteners on military aircraft, both fuselage and engines. During WWII billions of Elastic Stop® nuts were produced for every branch of the armed services. -
ABS Fastener Catalog
ABS FASTENERS OFFERS A COMPLETE LINE OF COMMERCIAL STANDARDS AND SPECIALS. We are your premier source for commercial grade fasteners, nuts, bolts, screws, and hard- ware. For more than 60 years, ABS has set the standard for quality, value-added services, and superior customer service. From our seven ABS warehouses strategically located across the USA and Mexico stocking several million in inventory, we are uniquely poised to serve your fastener and hardware needs for manufacturing and assembly. 4 ...........Anchors 20 .........Custom Fasteners & Hardware 5 ...........Bits 21 .........Value Added Services 6-7 ........Bolts 22 .........Quick Fastener Reference 8-9 ........Nuts 23 .........Heads, Threads, and Drive Styles 10 .........Washers 24 .........Thread Pitch Guide 11 .........Socket Products 25 .........Material Reference 12 .........Machine Screws 26 .........Plating Reference 13 .........Wood Screws 27 .........Painting Services 14 .........Construction Screws 28 .........Staple Reference 15 .........Self Drilling Screws 29 .........Nail Reference 16-17 ...Sheet Metal Screws 30 .........Hardware Off ering 18 .........Nails & Rivets 29 .........ABS Locations & Contact Info 19 .........Pins & Miscellaneous Items © 2017 American Bolt & Screw. All Rights Reserved. Reproducing or copying any part of this catalog without permission is unlawful under the United States Copyright Act. Violaters are subject to full prosecution under federal law. We hold industry together... You are not anchored to other suppliers! We have the anchors you need for light or heavy jobs. Conical Plastic Anchors E-Z Anchors Toggle Bolts Light-duty wall anchor used with a sheet metal or wood Pre-drills own hole in gympsum wallboard.Replaces A machine screw and toggle wing anchoring system screw in drywall,concrete or hollow brick. -
EML2322L Fastener Reference Guide
EML2322L Fastener Reference Guide Introduction Common Fastener Head, Nut, and Washer Types Fasteners are connective hardware that can easily Fastener Name Tighten With be installed and removed with common hand tools. Bolts, screws, nuts, and rivets are typical examples flat head slotted head of fasteners. The difference between a bolt, screw, (slotted) screwdriver and a stud is determined by its use. pan head Phillips head (Phillips) screwdriver wrench, socket hex head wrench button Allen/hex head cap wrench screw Allen/hex set screw Bolts are headed fasteners with external threads wrench that meet an exacting, uniform thread specification such that they can accept a standardized nut. In the Allen/hex socket head most general sense, screws are headed, externally- wrench threaded fasteners that can cut their own internal threads when installed. In mechanical and aero- shoulder Allen/hex space design applications (which are what we care screw wrench about as design engineers), screws are identical to wrench, socket bolts, but do not require nuts, as they instead screw stud wrench into threaded holes previously created in work- pieces. Studs are externally threaded headless fasteners with which one end usually mates with a rivet rivet gun threated component and the other end typically wrench, socket mates with a standardized nut. hex nut wrench Purpose wrench, socket Nyloc nut wrench The ONLY purpose of fasteners is to clamp parts together. Standard fasteners are NOT intended to serrated wrench, socket be used to for positioning or pivoting; that is the flange nut wrench function of dowel pins, locating shoulders, and flat washer - piloting diameters. -
ISO 9001:2015 FASTENER SOLUTIONS from DESIGN Thru AUTOMATION
“The Right Connection” ® ISO 9001:2015 FASTENER SOLUTIONS from DESIGN thru AUTOMATION Custom Design and manufacturing are available. Stafast Products, Inc. Stafast Products, Inc.* 505 Lake Shore Blvd. 1030 Kamato Rd. Units 4 & 5 Painesville, OH 44077 Mississauga, Ontario L4W 4B6 800/782-3278 877/782-3278 Fax # 440/357-7137 Fax # 905/602-9941 Stafast A/S * Baggeskaervej 11 Stafast - West* 7400 Herning 12420 Clark Street Denmark Santa Fe Springs, CA 90670 45-8680-0086 800/999-9779 Fax # 45-8680-6586 Fax # 562/941-3345 Stafast - South* Stafast of the Carolinas* 1698 Highway 15 N. 2426 W. Highway 160 Pontotoc, MS 38863 Fort Mill, SC 29708 800/888-6887 800/951-1159 Fax # 662/489-6853 Fax # 803/548-1542 www.stafast.com * These locations are not included in the scope of our ISO 9001:2015 registration. T-NUT/WELD NUT INDEX Page Page STRAIGHT BARREL T-NUTS PROPELL NUTS 3 Prong ......................................TN - 1-2 Propell Nuts ...............................TN - 22-23 3 Short Prongs...........................TN - 3 4 Prong ......................................TN - 4-5 PALLET NUTS 6 Prong ......................................TN - 6-7 Dished Flange ...........................TN - 24 Hex Base ...................................TN - 24 SMALL FLANGE Round Base ...............................TN - 25 Straight Barrel T-Nuts ................TN - 8-9 Weld Nuts ..................................TN - 8 ROUND BASE WELD NUTS Plain Base .................................TN - 26-27 LARGE FLANGE Bosses .......................................TN - 28-29 -
K/D Fittings & Fasteners
08 K/D FITTINGS & FASTENERS 08-1 Screws 08-4 Insert Nuts 08-6 Nails & Wall Plugs P. 162-168 P. 178-181 P. 184 08-2 Connector Bolts 08-5 Allen Keys P. 169-173 P. 182-183 08-3 K/D Fittings P. 174-177 08-1 Screws 1010 Machine Screw * Material: C1008 steel * Thread: machine thread * Finish: zinc or yellow zinc L D Ø10 Item No. Thread size Length (L) Head type Recess truss head, Phillips, Phillips/slot, truss head w/washer, pozi, pozi/slot, 1010 M4 or #8-32 10 ~ 50mm pan head, square 08 pan head w/washer 1703 Break-O Machine Screw * Material: C1008 steel unhardened * Thread: machine thread * Finish: zinc or yellow zinc * Breaking: 1, 2, 3 or 4 section * Break-o 5mm each L Ø10 K/D Fittings & Fasteners Item No. Thread size Length (L) Head type Recess truss head, Phillips, Phillips/slot, truss head w/washer, pozi, pozi/slot, 1703 M4 or #8-32 15 ~ 50mm round head, square round head w/washer 1104 Washer Head Wood Screw * Material: C1018 steel hardened * Recess: pozi/slot or Phillips/slot * Head type: pan washer head or truss washer head * Finish: zinc or yellow zinc * For handles L D Item No. Size (D) Length (L) 3.5 or 4mm 25 ~ 50mm 1104 #6 or #8 1” ~ 1-1/2” 162 08-1 Screws Conrmat Screws * Material: C1008 steel unhardened * Thread: ne thread (pitch 2.4mm) or coarse thread (pitch 3.0mm) * Finish: zinc, yellow zinc, black oxide or antique copper * Head type: at * Recess type: pozi with hole, pozi non-hole, hex with hole or hex non-hole L D 08 K/D Fittings & Fasteners Item No. -
AN Nut Plates, Solid Rivets & Tools, Rivet Nuts, Insert Nuts
Prices shown are current as of April 2, 2021. Self-Locking All-Metal Nut Plates and Special NAS1097 Solid Rivets for Nut Plates When gaining access to a regular hex nut causes assembly or maintenance problems, ideal for mounting these nut plates. Note: The top of the threaded portion is deformed these self-locking nut plates can be a lifesaver. The all-metal construction is rated for into an oval shape to produce a self-locking action. It can be difficult to insert the screw 1 3 450° F operation. Sizes up to ⁄4 -28 are designed to be riveted in place with ⁄32 inch the first time a nut plate is used, particularly on the smaller sizes. A drop of oil on the 1 rivets. Larger sizes accept ⁄8 inch rivets. We stock special NAS1097 solid rivets that are threads prior to first use will make it easier to insert and prevent damage to the screw. MS21047 Self-Locking Nut Plates MS21059 Floating Nut Plates MS21051 Single Lug Nut Plates MS21055 Corner Nut Plates This style also in 0.312 Metric! Part No. X X 6069-Size X X X Thread X Price Thread X Price Thread X Price Thread X Price Part No. Part No. Part No. Part No. Size Dim. Each Size Dim. Each Size Dim. Each Size Dim. Each 6-32 0.688 MS21047-06 74¢ 6-32 0.688 MS21059-06 89¢ 6-32 0.344 MS21051-06 99¢ 6-32 0.344 MS21055-06 $1.09 8-32 0.688 MS21047-08 69¢ 8-32 0.688 MS21059-08 94¢ 8-32 0.344 MS21051-08 $1.29 8-32 0.344 MS21055-08 99¢ 10-32 0.688 MS21047-3 69¢ 10-32 0.688 MS21059-3 89¢ 10-32 0.344 MS21051-3 $1.09 10-32 0.344 MS21055-3 99¢ 1 1 1 1 ⁄4-28 1.000 MS21047-4 $1.19 ⁄4-28 1.000 MS21059-4 $1.29 ⁄4-28 0.344 MS21051-4 $1.39 ⁄4-28 0.500 MS21055-4 $1.49 5 5 5 5 ⁄16-24 1.000 MS21047-5 $1.79 ⁄16-24 1.000 MS21059-5 $3.29 ⁄16-24 0.500 MS21051-5 $1.69 ⁄16-24 0.500 MS21055-5 $2.99 3 3 3 3 ⁄8-24 1.000 MS21047-6 $2.99 ⁄8-24 1.000 MS21059-6 $4.99 ⁄8-24 0.500 MS21051-6 $3.79 ⁄8-24 0.500 MS21055-6 $5.39 NAS1097 Reduced Head Solid Rivets Tools for Setting Solid Aircraft Rivets Rivet Setting Shaviv Mango II Die Kit Deburring Handle Kit Part No. -
Hardware Chess Set
instructables Hardware Chess Set by me-again100 The rst time I ever saw a hardware chess set was this instructable gave me and build my own unique set. instructable here and I knew I had to make one for Years have gone by since then, and I have had various myself. I loved the concept of using commonly available ideas oating around in my head and now I nally got hardware to make chess pieces. With the large variety of around to making it. hardware available I wanted to take the inspiration that Hardware Chess Set: Page 1 Hardware Chess Set: Page 2 Hardware Chess Set: Page 3 Hardware Chess Set: Page 4 Step 1: Materials and Tools Materials: A variety of hardware pieces (I will list the specic pieces in the description for each chess piece) 1/4", 5/16" and 3/8" treaded rod Epoxy Citric acid (the stu I found was in the hardware store meant for etching concrete but it is also used in canning and for making bath bombs) Gun blue Clear coat Tools: Dremel rotary tool with cut o discs and a wire sanding wheel Hardware Chess Set: Page 5 Drill press Pliers Hardware Chess Set: Page 6 Step 2: Pawn The pawn uses the following hardware: Make sure they are centered. Screw the anged nut onto 1/4" × 1 1/2" threaded rod the threaded rod far enough that the rod will go through 1/4" × 1" fender washer the washers but not stick out the other side at all. Put a 5/16" at washer little epoxy on the threads and screw the anged insert 1/4" at washer nut onto the rod from the other end all the way down to 1/4" anged nut the anged nut. -
ABSTRACT CARCATERRA, BRIAN THOMAS. Investigation of Energy
ABSTRACT CARCATERRA, BRIAN THOMAS. Investigation of Energy Storage in Bolted Joint Components and the Development of a Geometry Selection Design Tool. (Under the direction of Dr. Gracious Ngaile). In manufacturing one of the most common joining methods used is mechanical fastening by the use of screw fasteners or bolted joints. They are highly desirable for their ease of assembly, disassembly, and re-usability as opposed to more permanent joining methods such as riveting or welding. However, there is one major problem that exists in bolted joints and that is self-loosening. Over time relative motion between the nut or bolt head and the clamped members can occur which leads to the joint loosening and ultimately failing. This relative motion between the clamped member and the nut or bolt head can be attributed to small gaps or separation in the joined parts due to thermal effects or surface finishes or especially cyclic loads applied to the joined members. There have been many products introduced to help reduce or limit the loosening phenomenon, however, they don’t all perform the same and it is necessary to understand how they are working to reduce loosening. Many of these products have been evaluated experimentally through testing and compared with each other to determine how well they each perform. Not a lot of work has been conducted in the investigation of what makes some products better than others and how they can be improved. The major objectives of the research presented in this thesis are to begin the development of a design tool that can be used to select the proper dimensions for a Belleville washer to ensure that its performance meets the requirements of a specific application and to propose modifications to a Belleville washer that would result in a more uniform stress and strain energy distribution by removing excess material thus reducing weight and cost. -
WARNING ARB 4X4 ACCESSORIES
TJ & TJ UNLIMITED JEEP REAR BAR & WHEEL CARRIER x PART No 565 0010 REAR BAR. x PART No 575 0012 WHEEL CARRIER. x PART No 575 0020 TOW HITCH. (ACCESSORY) x PART No 575 0030 HI-LIFT JACK ATTACHMENTS. (ACCESSORY) x PART No 575 0040 WHEEL LOCKING NUTS – SET OF 4. (ACCESSORY) x PART No 575 0050 LICENCE PLATE LAMP RE-LOCATION KIT (ACCESSORY) WARNING NOTE THE FOLLOWING: i This product must be installed exactly as per these instructions using only the hardware supplied. i In the event of damage to any bull bar component, contact your nearest authorised ARB stockist. Repairs or modifications to the impact absorption system must not be attempted. i Do not use this product for any vehicle make or model, other than those specified by ARB. i Do not remove labels from this bull bar. i This product or its fixing must not be modified in any way. i The installation of this product may require the use of specialized tools and/or techniques i It is recommended that this product is only installed by trained personnel i These instructions are correct as at the publication date. ARB Corporation Ltd. cannot be held responsible for the impact of any changes subsequently made by the vehicle manufacturer i During installation, it is the duty of the installer to check correct operation/clearances of all components i Work safely at all times i Unless otherwise instructed, tighten fasteners to specified torque ARB 4x4 ACCESSORIES Corporate Head Office 42-44 Garden St Tel: +61 (3) 9761 6622 Kilsyth, Victoria Fax: +61 (3) 9761 6807 AUSTRALIA 3137 Australian enquiries [email protected] North & South American enquiries [email protected] Other international enquiries [email protected] www.arb.com.au Last Rev Date: 16/10/2006 Page 1 of 25 3783210 - rev 3 Copyright © 2005 by ARB Corporation Limited. -
Assembly Instructions Model
Addison Black Walnut Adjustable Headboard Platform Beds DUET finish Assembly Instructions Model # 3810DUET IMPORTANT NOTES: Addison Queen Black Walnut • For normal household use only. Not recommended for commercial use. • Remove items before you move this unit. Adjustable Headboard Platform Bed • This assembly requires two people. 3812DUET Addison King Black Walnut Adjustable Headboard Platform Bed • This item has a total maximum combined weight limit of 850 lbs. inclusive of foundation and people. 3814DUET Addison Cal-King Black Walnut WARNING Adjustable Headboard Platform Bed Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the state of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to: www.p65warnings.ca.gov/wood This product can expose you to chemicals, including formaldehyde, which are known to the State of California to cause cancer. For more information go to: www.p65warnings.ca.gov/furniture DESIGN SUBJECT TO CHANGE WITHOUT NOTICE. Thank you for allowing us to help you furnish your home. We are certain you will be delighted with your new furniture for many years to come. CUSTOMER SERVICE If you ever have questions about your furniture, please do not hesitate to contact us. In the unlikely event you need a replacement part; we can make those parts available through an authorized Whittier Wood Furniture dealer. If you cannot order replacement parts through your dealer, please contact our customer service department. Hours: Our friendly customer service staff can be reached: Monday-Friday 8:00 a.m. -
Tribological Aspects of the Self-Loosening of Threaded Fasteners
Tribological Aspects of the Self-Loosening of Threaded Fasteners William Eccles July 2010 JOST INSTITUTE FOR TRIBOTECHNOLOGY UNIVERSITY OF CENTRAL LANCASHIRE Submitted in partial fulfilment of the requirements for the degree of DOCTOR OF PHILOSOPHY Tribological Aspects of the Self-Loosening of Threaded Fasteners William Eccles ABSTRACT Practically every engineering product with any degree of complexity uses threaded fasteners. Although threaded fasteners are generally considered a mature technology, significant problems exist with their use. This study has investigated a number of issues with the tightening and self-loosening of threaded fasteners. o It was found that upon repeated tightening of electro-zinc plated fasteners significant wear of the contact surfaces of the bolt/nut thread and nut face occurred. This wear was accompanied by an increase in the friction coefficient causing a reduction in the clamp force provided for an assembly when tightened to a specific torque value. o The self-loosening characteristics of prevailing torque nuts were also investigated. It was found that there was a significant loss of prevailing torque when a fastener self- loosened when compared to the prevailing torque when being deliberately disassembled. The current standard test for prevailing torque nuts on re-use does not reflect this surprising result and leads to a significant over-estimate of the capability of this class of nut to resist self-loosening. This is a contribution to knowledge on this topic. o A further major original finding of this study has been that if an axial load is also acting on a joint which is experiencing transverse slip, prevailing torque nuts can continue to self-loosen leading to their possible detachment from bolts.