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  5. 20304000 SELF CENTRING TIPPED HSS-CO 5% STEP DRILL BIT SET 1-10 MM
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20304000
SELF CENTRING TIPPED HSS-CO 5% STEP DRILL BIT SET 1-10 MM

Special drill bit set for clean, round holes even in thin-walled materials. The self-centring step tip removes the need for centre punching, allowing controlled drilling without wandering. It’s especially effective on broken studs, pipes, curved panels and other surfaces where standard drill bits struggle to start cleanly.

Technical Data:
Material: HSS-Co 5%
Tensile strength: 1,200 N/mm²
Shank type: cylindrical shank with 3-flat design from Ø 5 mm
Point grind: conical surface
Point angle: 130°
Web thinning: cross-grind from Ø 3.0 mm
Helix angle: 26–32°
Tolerance: H8
Standards: DIN 338 Type N, DIN 1414
Diameter: 1–10 mm in 0.5 mm steps
002

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