• Here is the perfect way to drill nuts and bolts for use with safety wire without breaking the drill bit.
• These guide, align, and support the hex head or the bolt threads.
• The hex fixture fits nuts and bolt heads that measure up to 1-1/4".
• The SAE fixture bar is threaded for 1/4"-20, 5/16"-18, 5/16"-24, 3/8"- 18, 3/8"-24, 7/16"-14 bolts, and the Metric fixture bar covers M6x1.0mm, M8x1.0, M8x1.25mm, M10x1.25mm, M10x1.5mm, M12x1.5mm sizes.
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