This is a Starrett No.13D Drill Grinding Blade for No.13 Series 6" Squares. Blade is beveled to 59 degrees for drill grinding on one end and 41 degrees [the cutting angle of countersinks for machine screws] at the other end. Both ends have quick reading 1/64ths graduations and the graduation is located to measure perpendicularly to the axis of the drill.
This auction is for a machinists beveled edge square. Its in used condition with normal wear. Some light scratches and as you can see in the photos, owner markings.
DIEMAKER'S 4pcs SQUARE SET Set include: 3 hardened beveled edge squares (3/4,1-1/4 and 2-3/8") One 1-1/2" triangular straight edge with a removable handle. Beam is grooved at inner corner to clear out burrs and dirt A fitted case If you need more i
SHARS Beveled Edges 3/4" 1-1/4" 2-3/8" Straight Edge 1-1/2" Die Makers Square 4PC Set NEW Product Code 303-6400 Product description Beveled edges are: 3/4, 1-1/4, and 2-3/8" Straight edge is 1-1/2" Product features Bream is grooved at the inner corner for clearance of burr and dirt Product includes 3 Hardened bevel edges and a triangular straight
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