Fixture Jacks Designed as a positive locking jack for irregular clamping to achieve various heights requiring a positive pressure stop. Adjustable to t height irregularities of milling operations. Available in either a smooth radius head or a hardened tool steel serrated gripping surface. Elevates vertically, no rotation. Outer diameter of bushing ground for press- t. • Material: Bushing, Low Carbon Steel Radius Stem, Low Carbon Steel Serrated Stem, 4140 • Finish: Bushing, Black Oxide Radius Stem, Black Oxide Serrated Stem, Black Oxide • Heat Treat: Bushing, Case Hardened 74-77 R30N Radius Stem, Case Hardened Serrated Stem, Rc 45-48 Adjustable Jack Screws • Material: Low Carbon Steel • Finish: Black Oxide • Heat Treat: Screw/Stem Case Hardened 87-92 R15N Part Number Radius Part Number Serrated Press Fit A B C D E F G H Thread Size Wt. (lbs) Min. Max. 24901 25101 5/8 1 3/16 3/16 9/16 1 1/2 1 1/4 5/32 3/8 3/8-16 .19 24902 25102 1 1 5/8 3/16 7/8 2 7/16 1 5/16 15/32 7/16 7/16 5/8-11 .55 24903 25103 1 1/2 2 3/4 3/16 7/8 3 1/2 1 3/4 13/16 1/2 9/16 1-8 1.90 Part Number A B C Wt. (lbs) Lock Nut (Not Included) 25001 3/8-16 1-1/4 1-1/8 0.15 28101 25003 3/8-16 2 1-1/8 0.18 28101 25005 1/2-13 1-5/8 1-1/8 0.20 28102 25007 1/2-13 2-1/2 1-1/8 0.25 28102 25009 5/8-11 2 1-3/8 0.34 28103 25011 5/8-11 3 1-3/8 0.43 28103 LOCATING COMPONENTS LOCATING COMPONENTS workholding solutions Phone: 877-426-2504 | Fax: +1 216-481-6193 | E-mail: info@jergensinc.com | www.jergensinc.com 247
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