Knife edge clamps can be used for clamping rough cut stock, castings, or any material that requires a hardened clamping element. Hardened steel, brass-plated. Jergens Micro™ Clamps feature both high hold down forces and low profiles, which makes them ideal for building fixtures on Ball Lock® fixturing plates. Two simple components make them work: a hardened steel socket cap screw with an offset head and a hexagonal washer. A half turn tightens or loosens the workpiece. Knife Edge Clamps Micro™ Clamps • Low profile makes computer programming easier • Cam action provides fast, strong clamping • Small size allows more parts per load • Requires only a tapped hole in your fixture • Available in stainless steel • Note clockwise rotation recomended workpiece stop should be on the right of the Clamp. Replacement Screws available, contact customer service for more information. Replacement Screws available, contact customer service for more information. Metric Part Number Steel Part Number Stainless A B C D Total Distance of Measurement E Key Size F G* Maximum Holding Force Replacement Screw 68501 — 8-32 .350 .312 .110 .030 5/64 .150 205 68521 68502 — 10-32 340 .500 .160 .040 3/32 .250 350 68533 68503 68153 1/4-20 .470 .625 .190 .040 1/8 .308 800 68523 68505 — 5/16-24 .460 .812 .190 .040 3/16 .400 750 68525 68506 68515 5/16-18 .460 .812 .190 .040 3/16 .400 750 68526 68507 — 3/8-16 .710 .812 .250 .050 3/16 .400 2,000 68527 68509 — 1/2-13 .900 1.000 .375 .100 5/16 .500 4,000 68529 68511 — 5/8-11 1.125 1.187 .500 .100 3/8 .590 6,000 68531 * This measurement is the correct location to drill and tap the hole from the edge of the work piece. Part Number Steel Part Number Stainless A B C D Total Distance of Measurement E Key Size F G* Maximum Holding Force (N) 68571 — M4 x 0.7 9.6 7.93 2.8 .76 3 3.8 910 68572 68551 M6 x 1.0 11.2 15.86 4.75 1.01 4 7.8 3,558 68573 68553 M8 x 1.25 15.0 20.61 4.75 1.01 5 10.15 3,355 68574 — M10 x 1.5 19.0 20.61 6.35 1.52 7 10.15 8,895 68575 — M12 x 1.75 22.8 25.38 9.52 2.03 8 12.7 17,790 68576 — M16 x 2.0 28.5 30.13 12.69 2.54 12 15.0 26,680 * This measurement is the correct location to drill and tap the hole from the edge of the work piece. Part Number A B C D E F G* Torque (ft. lbs) Max. Holding Force (lbs) 68547 3/8-16 3/16 0.050 0.812 0.250 0.710 0.400 16.6 2,000 68548 1/2-13 5/16 0.080 1.000 0.375 0.900 0.500 52 4,000 68549 5/8-11 3/8 0.100 1.187 0.500 1.125 0.590 80 6,000 Metric (Nm) (N) 68840 M10 7M 1.27 20.60 6.35 19.00 10.15 28 8,900 68841 M12 8M 2.03 25.40 9.52 22.80 12.70 88 17,800 68842 M16 12M 2.54 30.15 12.70 28.50 15.00 135 26,700 * This measurement is the correct location to drill and tap the hole from the edge of the work piece. LOW PROFILE CLAMPING Jergens, Inc. | 15700 S. Waterloo Road | Cleveland, Ohio 44110-3898 USA 366 LOW PROFILE CLAMPING workholding solutions
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