Irwin Aircraft Drill Bit

For use in hard-to-reach areas and to run wires and cable. 135 DEG. Split point. Surface-treated high-speed steel for wear resistance. No. 66704ZR: diameter: 1/16 material: HSS split point angle: 135 DEG No. 62104ZR: diameter: 1/16 material: HSS split point angle: 135 DEG No. 66708: diameter: 1/8 material: HSS split point angle: 135 DEG No. 62108: diameter: 1/8 material: HSS split point angle: 135 DEG No. 66712: diameter: 3/16 material: HSS split point angle: 135 DEG No. 62112ZR: diameter: 3/16 material: HSS split point angle: 135 DEG No. 66710: diameter: 5/32 material: HSS split point angle: 135 DEG No. 66716: diameter: 1/4 material: HSS split point angle: 135 DEG No. 62116: diameter: 1/4 material: HSS split point angle: 135 DEG No. 66720ZR: diameter: 5/16 material: HSS split point angle: 135 DEG No. 62120: diameter: 5/16 material: HSS split point angle: 135 DEG No. 66724: diameter: 3/8 material: HSS split point angle: 135 DEG No. 62124: diameter: 3/8 material: HSS split point angle: 135 DEG No. 66728: diameter: 7/16 material: HSS split point angle: 135 DEG No. 62128: diameter: 7/16 material: HSS split point angle: 135 DEG No. 66714: diameter: 7/32 material: HSS split point angle: 135 DEG No. 66732: diameter: 1/2 material: HSS split point angle: 135 DEG No. 62132: diameter: 1/2 material: HSS split point angle: 135 DEG.