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Carbide Tipped Keyhole Saws 369

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Carbide Tipped Keyhole Saw

Design: with axial and radial special cut, which ensures optimal cutting results. Carbide hole saws achieve long tool lives and can be reground several times. No breakage with increased load. The tapered centre drill ensures smooth spot drilling (spot marking is not required) and is fixed using a tightening screw. Scope of supply: Hole saw incl. drill. Application: Can be used on portable and pillar drilling machines. Note: With pillar drilling machines always choose manual feed. 2715 Flat cut: with ejection spring This ejects the drilled part and protects the carbide teeth during spot drilling. For material thicknesses up to 4 mm, stainless steel up to 2 mm. From 16–30 mm the hole saw is made in one piece. From 31 mm with specially hardened bit holders to compensate the torsion forces. We recommend MK 2/MK 3 from 31 mm. The sturdy design results in high concentricity. The CAD-optimised rake angles with special cut ensure high cutting performance and tool life. For flat material 2722 MBS: With ejection spring. This ejects the drilled part and protects the carbide teeth during spot drilling. For material thicknesses up to max. 10 mm. (With material thicknesses over 6 mm the tool needs to be set down for chips to be emptied several times.) From 37 mm with specially hardened bit holders to compensate the torsion forces. We recommend MK 2/MK 3 from 37 mm. The solid construction and further developed cutting geometry produces significantly better cutting behaviour associated with a high cutting performance and with a high cutting performance and service life. For flat material, but also suitable on raw material and concaved surfaces.

Carbide

2715 Cup height: 12 mm

∅ 16–50 mm ≙ 10 mm Schaft ∅ 51–120 mm ≙ 13 mm Schaft

Cutting Tools 2

2722 Cup height: 22 mm

∅ 18–36 mm ≙ 10 mm shaft ∅ 37–100 mm ≙ 13 mm Schaft

2728 Cup height 35 mm (∅ 20–55 mm) 60 mm (∅ 60 mm)

2728 Deep cut: Without ejection spring. For material

thickness up to 4 mm, stainless steel up to 2 mm. Especially suited for pipe material and curved surfaces.

∅ 20–50 mm ≙ 10 mm shaft ∅ 51–60 mm ≙ 13 mm shaft

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. 2715 2722 2728

50 50 50

40 40 40

28 28 28

22 22 22

30 30 30

40 40 40

65 65 65

70 70 70

20 20 20

18 18 18

15 15 15

10 10 10

2715

2722

2728

2715

2722

2728

Saw ∅ mm

Saw ∅ mm

Order No.

Order No.

PG/ metric

PG/ metric

Flat cut 28.10 28.10 28.10 29.10 29.10 29.10 30.00 30.40 30.40 31.80 31.80 34.70 34.70 34.70 42.20 42.20 42.70 42.70 42.70 43.10 45.90 45.90 45.90 45.90 45.80 47.70 47.90 47.90 47.90 (W246) –

MBS

Deep cut

Flat cut

MBS

Deep cut

0160 0170 0180 0190 0200 0210 0220 0230 0240 0250 0260 0270 0280 0290 0300 0310 0320 0330 0340 0350 0360 0370 0380 0390 0400 0410 0420 0430 0440 0450

16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45

– –

– – – –

M16

0460 0470 0480 0490 0500 0510 0520 0530 0540 0550 0560 0570 0580 0590 0600 0610 0620 0630 0640 0650 0660 0670 0680 0690 0700 0710 0720 0730 0740 0750

46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75

51.00 52.50 52.50 52.50 55.20 55.20 56.90 57.30 57.90 57.90 62.30 63.60 63.60 64.10 64.10

76.70 79.00 79.00 82.70 82.70 82.70 84.90 87.20 87.20 87.20 95.80 95.80 95.80 98.70

100.50 100.50

–

– – – – – – – – – – – – – – – – –

PG 36

48.20 48.20 48.20 48.20 48.20 48.20 48.20 48.20 54.50 54.50 54.50 56.20 56.20 63.40 63.40 63.40 63.40 67.50 67.50 69.60 69.60 69.60 69.60 73.80 73.80 73.80 73.80 73.80 (W246)

– –

– –

46.80 45.70 45.70 45.70 45.70 45.70 60.30

M20

100.50

M50

– – – – – – – – – – – – – – – – – – – – – – –

– – – – – – – – – – – – – – – – – – – – – –

PG 42

M25

113.00

–

60.30

–

60.30

107.00 110.50 110.50 110.50 119.50 119.50 119.50 119.50 119.50 127.00 127.00 140.50 140.50 140.50 149.00 149.00 (W246)

153.00

PG 48

–

– – – –

69.70

M32

–

M63

69.70 69.70

69.50

–

– –

77.10

PG 29

–

– –

72.80

77.10 77.10

–

M40

72.80

–

– – – – –

– – – –

89.00

– –

89.00 (W246)

91.10 (W246)

(W246)

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