DRILL & C'BORE FOR M16 MOUNTING SCREWS (4) PLACES 1/4-19 BSPP PORTS (BRITISH STD PARALLEL PIPE) (4) PLACES 136.5 50 25 54 M6 X 1.0 X 12MM DEEP 14MM FLAT FOR WRENCH 54 30.5 66.7 79.5 22.2 U.S. Patents: No. 4,511,127 No. 4,471,293 Jergens StayLock Block Clamps are multipurpose utility clamps designed for many versatile applications. Block Clamps may be mounted for either vertical or horizontal clamping. They may be used with strap clamps or similar workholding devices for maximum adaptability (see illustration below). The Block Clamp plunger has a 1/4 - 28 thread on the I.D. for use with various contact points. Block Clamps Staylock Clamps Specifications Inch Part Number 62831 Operating Stroke (in.) 1.1 Minimum Operating Pressure (psi) 500 Maximum Operating Pressure (psi) 5,000 Force to Pressure Ratio 2:1 Clamping Stroke (in.) .18 Maximum Output Force (lbs.) @ 2000 (psi) 10,000 Weight (lbs.) 6.5 Specifications Metric Part Number 63816 Operating Volume (cu. cm) 18 Minimum Operating Pressure (kg/cm2) 14 Maximum Operating Pressure (kg/cm2) 350 Force to Pressure Ratio 12.8:1 Clamping Stroke (mm) 4.7 Maximum Output Force (kg) @ 351 (kg/cm2) 4,500 Weight (kg) 2.93 POWER CLAMPING POWER CLAMPING workholding solutions Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com 203
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