17–204 Clamping Tool Spindles, Collets, Block Sets Part No. Collet Size Clamping Tool Spindles Cont. 0344180 1-1/32" 0344181 1-3/64" Flat-Tip Bonded Neoprene Cap (Metric) 0344182 1-1/16" 0344183 1/8" 0344184 3/16" 0344185 1/4" Part No. Mfg. No. Spindle Diameter Spindle Thread Size Overall Length 0344186 5/16" 0316845 201208-M M4 0.7 32mm 0344187 3/8" 0316851 202208-M M6 1.0 44mm 0344188 7/16" 0316880 215208-M M6 1.0 54mm 0344189 1/2" 0316890 225208-M M8 1.25 53mm 0344190 9/16" 0316899 235208-M M10 M10-1.5 120mm 0344191 5/8" 0316907 240208-M M10 M10-1.5 79mm 0344192 11/16" 0316942 507208-M M8 1.25 83mm 0344193 3/4" 0344194 13/16" Collets 0344195 7/8" 0344196 1/8" 5C Round Collets 0344197 3/16" 0344198 1/4" • Hardened and Ground 0344199 5/16" • External thread=1.234 x 220 RH 0344200 3/8" • Internal Thread= 1.047 x 24 RH 0344201 7/16" 0344202 1/2" 0344203 9/16" 0344204 5/8" Part No. Collet Size 0344205 5/8" 0344118 1/16" 0344119 5/64" Block Sets 0344120 3/32" 0344121 7/64" Starrett V-Block Set 0344122 1/8" 0344123 9/64" 0344124 5/32" • Matched Pair of Hardened, Precision V-Blocks and Clamps 0344125 11/64" • 2-1/2" L X 3" W X 2" H 0344126 3/16" • 2" Round, 1-7/16" Square Capacity 0344127 13/64" • 3/8-16 tapped holes for mounting 0344128 7/32" 0344129 15/64" 0344130 1/4" 0344131 17/64" 0344132 9/32" CUTTING 0344133 19/64" Part No. Model No. Number of Pieces Length Width 0344134 5/16" 0324802 568C 4 2.50" 2.000" 0344135 21/64" 0344136 11/32" 0344137 23/64" V Blocks and Clamps 0344138 3/8" 0344139 25/64" 0344140 13/32" No. 278 V-Blocks and Clamps 0344141 27/64" T 0344142 7/16" Starrett No. 278 V-Blocks are precision ground to extreme OOLS & METALWORKING 0344143 29/64" accuracy. The vees are central, parallel, and square with 0344144 15/32" 0344145 31/64" the ends and sides. 0344146 1/2" 0344147 33/64" The blocks are made of steel, hardened and ground and numbered in series so that 0344148 17/32" the vees in each set are always in alignment. The blocks have a 1/4-20 tapped 0344149 35/64" hole through the sides so that they may be attached to an angle iron. The angle iron 0344150 9/16" 0344151 37/64" holding the block can then be attached to a lathe faceplate or held by a magnetic 0344152 19/32" chuck. 0344153 39/64" 0344154 5/8" Each block is 1 1/4" (32mm) square and 1 5/8" (40mm) long. 0344155 41/64" 0344156 21/32" 0344157 43/64" 0344158 11/16" No. 578 V-Block and Clamp for larger capacity work 0344159 45/64" 0344160 23/32" 0344161 47/64" This is our largest capacity V-block, which is ideal for toolroom, inspection and 0344162 3/4" production work. The features and advantages of this block are: 0344163 49/64" 0344164 25/32" 0344165 51/64" 0344166 13/16" Hardened steel 0344167 53/64" • Precision ground flat, square and parallel 0344168 27/32" • Rugged, reversible, hardened clamp can accommodate 9/16-4" (14-100mm) 0344169 55/64" 0344170 7/8" diameters of almost any shape of work 0344171 57/64" • No clamp interference when the block lies on either side 0344172 29/32" • Three available clamp positions 0344173 59/64" • Two tapped holes (3/8 x 16) in one end for mounting the V-blocks perpendicular 0344174 15/16" 0344175 61/64" to faceplates, etc. 0344176 31/32" • Available in matched pairs by special order 0344177 63/64" Part No. Mfg. No. V-Block and Clamp Length Width Block Capacity 0344178 1" 0325020 278 4 1.63" 1.250" 1" 0344179 1-1/64" 0325094 578 2 3.375" 5.250" 9/16" - 4" Diameters For pricing and availability, contact your local Fastenal store or visit fastenal.com.