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Countersink tools 127

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Design: HSS, DIN 335-C. 90° countersink angle. Radial taper-ground, bright surface, with straight clamping slots and drilling spaces ground from full pieces. Also provided with cutting and clearance angles for the most common materials. The hexagonal shank (1/4" bit shank according to DIN 2126) causes a 100 % power transfer, thus in every bushing the countersink is extremely slip-free. Application: Suitable for universal chatter and burr-free drilling, countersinking, milling and deburring work. The countersink bit can also be used as a hand deburrer together with the corresponding activation tools such as grips, toggles or ratchets with a 1/4" hexagon mount. Note: Sufficient supply of coolant is essential. Countersink bit 90° with 1/4" hexagonal shank

DIN 335-C

Z 3

HSS

90°

Cutting Tools 1

Steels up to 850 N/mm 2

Steels up to 1000 N/mm 2

Steels up to 1400 N/mm 2

Hard machining over 60 HRC

Ti steels, Ti alloys, special steels

Stainless and acid- resistant steels (INOX)

Steels up to 42 HRC

Steels up to 52 HRC

Steels up to 56 HRC

Steels up to 60 HRC

Copper, brass, bronze

Cast iron materials

Al, Al and Mg alloys

Order No. 1420

C

V

C

1420

Nominal ∅

Order No.

Total length mm

For countersink screws

Smallest ∅

mm 6.3 8.3 10.4 12.4 16.5 20.5

mm 1.5 2.0 2.5 2.8 3.2 3.5

bright

0630 0830 1040 1240 1650 2050

4.86 5.75 6.60 8.90 9.95

31 31 34 35 40 41

M3 M4 M5 M6 M8

bright

11.75 (W134)

M10

Countersink bit set 90° with hexagonal shank Design: Supplied in a robust, high quality plastic cassette with automatic countersink setup function when opened incl. universal holder, handle with 1/4" internal hexagon mount and drilling paste.

1422

Nominal ∅

Order No.

Design

mm

bright

0005

6.3–20.5

70.40 (W134)

9-piece

bright

Spiral drill bit is found on Ç 1/8, 6/153.

1/109

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