Buy Heller 21229 8 HSS Metal twist drill bit 4 mm Total length 75 mm cobalt DIN 338 Cylinder shank 1 pc(s)

Close-up of a spiral drill bit, showing the cutting edges and fluted body of a metal drill tool.

Metal twist drill bit with a gold-colored coating, shown horizontally on a white background.

Close-up of a drill bit boring into a metal block, with curled metal shavings around the hole.

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Product type

Metal twist drill bit

Drill hole Ø

4 mm

Content

1 pc(s)

Material

HSS

Material suitability

Metal

Non-ferrous metal

Stainless steel

Plastic

Datasheet (PDF)

Fast track dispatch on Fri, 11 Sep

61 Piece(s)

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Piece(s)

Total (€ 3.18 / piece)

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Technical specifications

Product type: Metal twist drill bit

DIN standard: DIN 338

Drill hole Ø: 4 mm

Tip angle: 135°

Content: 1 pc(s)

Material: HSS

Material properties: cobalt

Material suitability: Metal
Non-ferrous metal
Stainless steel
Plastic

Tool holder: Cylinder shank

Shank Ø: 4 mm

Working length: 43 mm

Total length: 75 mm

Weight: 7.6 g

Length: 75 mm

UKCA: not relevant

Documents & Downloads

Datasheet

Datasheet 802843 Heller 21229 8 HSS Metal twist drill bit 4 mm Total length 75 mm cobalt DIN 338 Cylinder shank 1 pc(s)

User & Safety Instructions

User & Safety Instructions 802843 Heller 21229 8 HSS Metal twist drill bit 4 mm Total length 75 mm cobalt DIN 338 Cylinder shank 1 pc(s)

Description

Features

For numerous drills in high-alloy steel and stainless steel
cross polished section and 135 ° point angle for optimum, precise drilling
uses a special HSS steel with 5% cobalt
Precision tool according to DIN 338 RN for excellent measurement accuracy of the drilling
High rotational accuracy as per DIN 1414.