Self-Adjustable Jaw Clamp Two Self-Adjustable Jaw Clamp These clamps have a selfadjustable ball gripper screw inserted into a clamp jaw. The ball bearing at the end is made of steel and equipped with torsion protection, allowing the ball to self-adjust up to 9 degrees. This makes clamping irregular-shaped parts and castings more flexible Part Number A G B C D E Dia. of Serration (D1) Socket Head Screw DIN 912 Clamping Force of Jaws kN (lbs) Tightening Torque Nm (ft/lbs) Weight in g (lbs) approx. Hardness of Jaws HRC X Hardness of Jaws HRC Y Min Optimum Max Min Optimum Max BK2-VT-B 33 35 37 19.5 20.5 21.5 29 15 21 2.5 7.2 M8x20 22 (4,975) 43 (31.7) 64 (0.14) 30-34 48-52 DK2-VT-B 52 55 59 31 32.5 34.5 41 22 30 4 10.7 M12x30 55 (12,364) 145 (107) 212 (0.41) 30-34 48-52 DK2-VTI-B* 2.04 2.16 2.32 1.22 1.27 1.35 1.61 0.86 1.18 0.15 0.42 1/2-13 X 1 1/4" 55 (12,364) 145 (107) 0.46 30-34 48-52 *DK2-VTI-B measures given in inches and pounds. Part Number A B C D E Dia. of Serration (D1) Socket Head Screw DIN 912 Clamping Force of Jaws kN (lbs) Tightening Torque Nm (ft/lbs) Weight in g (lbs) approx. Hardness of Jaws HRC X Hardness of Jaws HRC Y Min Optimum Max BK2-VT-E 39 41 43 29 15 21 2.5 7.2 M8x20 22 (4,975) 43 (31.7) 72 (0.16) 30-34 48-52 DK2-VT-E 62 65 69 41 44 30 4 10.7 M12x30 55 (12,364) 145 (107) 242 (0.54) 30-34 48-52 DK2-VTI-E* 2.44 2.56 2.72 1.61 0.86 1.18 0.15 0.42 1/2-13 X 1 1/4" 55 (12,364) 145 (107) 0.53 30-34 48-52 *DK2-VTI+E measures given in inches and pounds. BK2-VT-B DK2-VT-B/ DK2-VTI-B LOW PROFILE CLAMPING Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com 311 LOW PROFILE CLAMPING workholding solutions
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