Suburban Precision Angle Plate, (13)1/4-20 Tapped Holes – AP444S1

• Used mostly on milling machines and surface grinders to fasten the workpiece.
• Solid one piece construction.
• Made of steel, hardened to Rc 58 – 62 and ground flat.
• Square and parallel within .0002″.
• *SineSet models bolt directly to SineSet sine plate or compound sine plates of the same series. S1 models also bolt to the AP-664-S1 90 conversion plate.
• Made in the U.S.A.

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