Twist drill (metal), DIN 338 (Type N)

Description: Powerful, right-handed cutting type N twist drill, suitable for all normal drilling operations in common materials.
Diameter tolerance: h8
Qualities:
HSS-R: Point angle: 118°, drill point thinning: flat point, surface: black, economical, rolled twist drills made of high performance, high-speed steel high fracture resistance and ground chamfer. Use for steel, cast steel alloys and non-alloys (<900 N/mm² tensile strength), grey-, malleable, ductile, cast and sintered iron, nickel silver, graphite and short cutting aluminium alloys, brass and bronze.
HSS-G: Point angle: 118 °, drill point thinning: from 3 mm cross grinding (DIN 1412C), surface: bare. From the full ground twist drill made of high performance, high-speed steel with high rotation precision. Use for steel, cast steel alloys and non-alloys (<900 N/mm² tensile strength), grey-, malleable, ductile, cast and sintered iron, nickel silver, graphite and short cutting aluminium alloys, brass and bronze.
HSS-G Co 5 (HSS-E): Point angle: 130°, drill point thinning: from 3 mm cross grinding (DIN 1412C), surface: bare. From the full ground twist drill made of high performance, high-speed steel (5% cobalt alloy) with high rotation precision and good heat resistance. Use for steel, cast steel alloys and non-alloys (<1100 N/mm² tensile strength), grey-, malleable, ductile, cast and sintered iron, nickel silver, graphite and short cutting aluminium alloys, brass and bronze. In addition, can also be used as warn and cold working steels, as well as rust and acid-resistant steels (stainless steels V2A / V4A).
Catalogue page Pneumatic Atlas 8 (Page 884) Suitable accessories:

Adjustable coolant hose system - Cool-Line 1/4" (NW 6), PN 6

Coolant hoses, metal

Drilling machines with quick action chucks

Cone and deburrer countersink, DIN 335

Boring and cutting oil spray

Face and eye protection, EN 166

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