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Thread cutting tools 196

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Combi-bit 1/4"

Design: With cross-grinding and 1/4" hexagon shank. Application: For drilling core holes, thread drilling and deburring in 1 step. The heat-treated induction zone allows for increased bending elasticity, thus significantly reducing the risk of fracture, thereby up to 50% higher life. Combi-bits are designed for thread drilling with cordless drills and handheld drills with left and right motion. However, they are also suitable for drilling by hand and on stationary drilling machines. Material thickness not more than nominal thread ∅ (M6 = 6 mm material thickness). Particularly suitable for assembly work and small batches. Make sure that the tool axis and hole axis are precisely aligned and use appropriate cutting oil (Order No. 9829).

M

HSS

HSS-E

60°

≤ 1xd

Cutting Tools 1

1/4"

1656 Bright 1657

HSS

HSS-E

Bright

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. 1656 1657

C C

V V

V C

C C

C C

1656

1657

Thread

Order No.

Gradient

Drill ∅

Total length

mm

mm 2.5 3.3 4.2 5.0 6.8 8.5 10.2

mm

bright

bright

0001 0003 0005 0007 0009 0011 0013

M3 M4 M5 M6 M8

5.65 5.65 5.65 5.65 7.70 9.40

8.90 8.90 8.90 8.90

0.50 0.70 0.80 1.00 1.25 1.50 1.75

36 39 41 44 50 59 66

10.25 12.25 23.20 (W161)

M10 M12

14.45 (W161)

Combi-bit set 1/4"

Design: With cross-grinding and 1/4" hexagon shank. Supplied in a plastic box. Application: For drilling core holes, thread drilling and deburring in 1 step. The heat-treated induction zone allows for increased bending elasticity, thus significantly reducing the risk of fracture, thereby up to 50% higher life.

1656 Bright 1657

HSS

HSS-E

Bright

1656

1657

HSS

HSS-E

bright

bright

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. 1656 1657

C C

V C

C C

C C

V

1656

1657

Size

Order No.

Set contents

bright

bright

0020

M3–M10

43.60

61.90

1 Bit holder with adapter 6 combi-bits, M3; 4; 5; 6; 8; 10

(W161)

(W161)

1/178