29 Piece HSS Black Oxide Stub (Screw Machine) Split Point Drill Bit Set, D/ASP, 1/16" - 1/2" Quantity:1 1/2"-13 Grade 8 Hex Cap

1/2"-13 Grade 8 Hex Cap Screws

M8 Hardened 300HV Flat Washers DIN125A Zinc - 10PCS

Part Number: BIT-DEWSFC1/2-90

on the other hand

Part Number: Assortment Kit #113

29 Piece HSS Black Oxide Stub (Screw Machine) Split Point Drill Bit Set, D/ASP, 1/16" - 1/2" Quantity:1 1/2"-13 Grade 8 Hex CapProduct Description Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. The 135 degree split point is self centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in a broad range of materials. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine setup where spindle clearance