HHiP Pro Series D1-8, 12″ 4-Jaw Independent Direct Mount Lathe Chuck – 3900-8122

• Each Specimen 7/8″ x 3/8″ of electroformed solid nickel.
• Each type of surface finish is truly and consistently reproduced with a realistic idea of the feel, appearance and texture of the machined components.
• For quick and easy comparisons.
• Conforms to S.A.E and military specifications.
• Supplied with wallet, instructions and certificate.

Specifications:

• Chuck Dia.(D): 12
• To Fit Spindle: D1-8
• Studs B.C.(D2): 6.748
• Studs Included: 1
• Dia. Of Stud: 3/4
• Dia. Of Center Hole: 3.740
• D1: 5.501
• H: 5.70
• H1: 3.74
• h: 0.709
• Z-d: M20x1.5

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