Micro™ T-Slot Toe Clamps This cam action fixture clamp provides positive down force while using very little space on the fixture. Workpieces can be clamped in series by using the back surface of a clamp to locate the next workpiece. The hardened steel clamping element has both a smooth surface for machined workpieces and a serrated clamping surface for rougher work. The height of the clamp can be adjusted by milling the slot deeper in the fixture plate. This clamp is like the Micro Toe Clamp, only it is designed to be used in the T-slots of machine tables. It provides positive down force while maintaining a low profile. The hardened steel clamping element has both a smooth surface for machined work pieces and a serrated clamping surface for rougher work. Micro™ Toe Clamps Inch Part Number T-Slot Size A B C D E F¹ F² Max. Torque/ Holding Force (Ft Lbs/Lbs) 68750 No T-nut or Mtg. Screw 1.94 1.12 0.62 1.00 0.38 1.00 0.875 65/4,000 68741 9/16 1.94 1.12 0.62 1.00 0.38 1.00 0.875 65/4,000 68742 5/8 1.94 1.12 0.62 1.00 0.38 1.00 0.875 65/4,000 68743 11/16 1.94 1.12 0.62 1.00 0.38 1.00 0.875 65/4,000 68744 3/4 1.94 1.12 0.62 1.00 0.38 1.00 0.875 65/4,000 Metric Part Number T-Slot Size A B C D E F¹ F² Max Torque/ Holding Force (N.m./N.) 68791 14 50 28.5 15.7 25.4 9.6 25.4 22.2 88.00/17,800 68792 16 50 28.5 15.7 25.4 9.6 25.4 22.2 88.00/17,800 68793 18 50 28.5 15.7 25.4 9.6 25.4 22.2 88.00/17,800 68794 No T-nut or Mtg. Screw 50 28.5 15.7 25.4 9.6 25.4 22.2 88.00/17,800 F¹ - The distance from the top of the back of the washer to the bottom of the clamp body. F² - The distance from the top of the front of the washer to the bottom of the clamp body. Part Number A B C D E† F G H I Cam Screw Distance of Movement Mounting Screws Torque (ft/lbs) Holding Force(lbs) 68731 1.70 .75 .50 1.00 .090 .75 .25 .62 .845 68527 .050 5/16-18 x 3/4 LH 20.8 2,000 68732 2.12 1.00 .45 1.32 .110 1.00 .38 .62 .960 68529 .100 3/8-16 x 3/4 LH 65.0 4,000 68733 2.95 1.50 .99 2.00 .130 1.50 .50 1.25 1.70 68531 .100 1/2-13 x 1 1/4 SHCS 100.0 6,000 † “E” is the distance needed between the front of the clamp base and the workpiece. Metric Part Number A B C D E† F G H I Cam Screw Distance of Movement Mounting Screws Torque (ft/lbs) Holding Force (lbs) 68781 43.2 19.0 12.7 25.4 2.3 19.0 6.4 15.75 21.5 M10 1.6 M8 28.0 8,900 68782 54.0 25.4 11.4 33.5 2.8 25.4 9.7 15.75 24.4 M12 2.0 M10 88.0 17,800 68783 75.0 38.1 25.2 50.8 3.3 38.1 12.7 31.75 43.2 M16 — M12 — — † “E” is the distance needed between the front of the clamp base and the workpiece. Part Number T-Slot Size 68750 No T-nut or Mtg. Screw 68741 9/16 68742 5/8 68743 11/16 68744 3/4 Torque mounting bolt to 110 Ft/Lbs (150 N.m.) Metric Part Number T-Slot Size 68791 14 68792 16 68793 18 68794 No T-nut or Mtg. Screw LOW PROFILE CLAMPING Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com 369 LOW PROFILE CLAMPING workholding solutions
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