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Hole saws - Bi-metal

Bimetal hole saws

Bimetal hole saws
(CMT551-TREPAN)

Teeth are alternate and side set. Ideal for mild steel stainless steel, non-ferrous metals, aluminium, cast iron, copper, zinc.

TECHNICAL FEATURES :
- Perfect round back plate.
- Fast & easy center drill change.
- Thick steel body.
Bimetal Plus 8% CobaltPremium bi-metal with 8% cobalt provides Xtreme results in performance and up to 50% longer lifetime than the competition.
Tooth designSpecial tooth geometry with regular pitch provides a smoother cut and better chip clearance preventing clogging and heat build-up. Teeth are alternate & side set to minimize binding and friction, requiring less feed pressure.

Materials :
- Metals (up to 1000 N/mm2 strenght).
- Mild steel.
- Stainless steel.
- Non-ferrous metals, aluminium.
- Sandwich materials.
- Cast Iron.
- Copper, zinc, brass.
Speed kills! Operating at higher speeds than those recommended will shorten hole saw life and produce very inefficient cutting.

D l L Metal RPM Stainless steel RPM Cast iron RPM Aluminium RPM Code
16 38 45 550 270 370 800 CMT551-016
19 38 45 470 230 310 670 CMT551-019
20 38 45 440 220 290 640 CMT551-020
22 38 45 400 200 270 580 CMT551-022
25 38 45 350 170 230 510 CMT551-025
27 38 45 330 160 220 470 CMT551-027
29 38 45 310 150 200 440 CMT551-029
30 38 45 300 140 190 430 CMT551-030
32 38 45 280 140 180 400 CMT551-032
35 38 45 250 120 170 370 CMT551-035
38 38 45 230 110 150 340 CMT551-038
40 38 45 220 110 150 320 CMT551-040
43 38 45 210 100 140 300 CMT551-043
44 38 45 200 100 130 290 CMT551-044
48 38 45 180 90 120 270 CMT551-048
51 38 45 170 85 110 250 CMT551-051
52 38 45 160 80 110 240 CMT551-052
54 38 45 160 80 110 240 CMT551-054
57 38 45 160 75 100 220 CMT551-057
64 38 45 140 70 90 205 CMT551-064
65 38 45 140 70 90 205 CMT551-065
70 38 45 130 60 80 185 CMT551-070
73 38 45 120 60 80 180 CMT551-073
79 38 45 110 55 70 165 CMT551-079
83 38 45 105 50 70 155 CMT551-083
89 38 45 100 50 65 145 CMT551-089
92 38 45 95 45 60 140 CMT551-092
102 38 45 85 45 55 130 CMT551-102
105 38 45 80 40 55 120 CMT551-105
108 38 45 80 40 55 120 CMT551-108
114 38 45 80 40 55 120 CMT551-114
127 38 45 70 35 45 90 CMT551-127
133 38 45 65 35 45 90 CMT551-133
140 38 45 65 30 40 85 CMT551-140
152 38 45 55 25 35 75 CMT551-152
168 38 45 55 25 35 75 CMT551-168

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Center drills for bimetal hole saws

Center drills for bimetal hole saws
(CMT551-HS)

TECHNICAL FEATURES :
- Chrome coated.
- Hexagonal shank.

d D L S Code
16 30 160 8 Center drill CMT551-HS1
32 168 160 10 Center drill CMT551-HS2
32 168 320 10 XL Center drill XL CMT551-HS2XL

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