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Multi-purpose hole saws

550

TECHNICAL FEATURES:
-Perfect round back plate.
-Fast & easy center drill change.
-Large chip clearance slots.

Long lasting construction grade carbide
Cutting teeth are made of a special formulated construction grade carbide which provides a longer cutting life.

Secured tooth technology
As a result of the latest technology, teeth are secured to prevent any breakage during impact with hard materials.


 
CMT's carbide-tipped multi-purpose hole saws are mentioned by WoodWorker's Journal at the following link.
Application
Materials:
-Soft, hardwoods and plywood.
-Chipboard, MDF, veneered, laminated and table top (pre-drill the laminate/melamine by using left-hand rotation for clean finishing).
-Gypsum, plasterboard, fibercement boards, Eternit®.
-Plastics (PVC, nylon, Trespa®, polyester).
-SoftTiles (surface hardness ≤6 Mohs), solid bricks and bricks with cavities, aerated concrete blocks, lightweight aggregate blocks and breeze blocks, soft density limes and stone building blocks (max 30 N/mm2 hardness); for hardness >30 N/mm2 use our diamond dry hole saws.
Code Wood & MDF RPM
e MDF
PVC and fiberglass RPM Masonry, brick RPM Tiles RPM
550-020 1600 1000 1000 640
550-022 1460 1000 1000 580
550-025 1280 1000 1000 510
550-029 1100 940 940 440
550-030 1070 910 910 430
550-032 1000 850 850 400
550-035 920 780 780 370
550-038 840 720 720 340
550-040 800 680 680 320
550-044 730 620 620 290
550-051 630 540 540 250
550-054 590 510 510 240
550-056 570 490 490 230
550-057 560 480 480 210
550-060 530 460 460 210
550-064 500 430 430 200
550-068 470 400 400 190
550-070 460 390 390 180
550-073 440 370 370 180
550-076 420 360 360 170
550-079 410 350 350 160
550-080 400 340 340 160
550-082 390 330 330 160
550-083 390 330 330 150
550-092 350 300 300 140
550-0102 310 270 270 130
550-105 310 270 270 130
550-111 290 250 250 120
550-114 280 240 240 110
550-127 250 220 220 100
550-133 240 210 210 100
550-152 210 180 180 80
Variations
Filter
Item Code D Z H
550-019
3/4" 1 2-3/64"
550-020
13/16" 1 2-3/64"
550-022
7/8" 1 2-3/64"
550-025
1" 1 2-3/64"
550-029
1-1/8" 1 2-3/64"
550-030
1-3/16" 1 2-3/64"
550-032
1-1/4" 1 2-3/64"
550-035
1-3/8" 1 2-3/64"
550-038
1-1/2" 2 2-3/64"
550-040
1-9/16" 2 2-3/64"
550-044
1-3/4" 2 2-3/64"
550-048
1-7/8" 2 2-3/64"
550-051
2" 3 2-3/64"
550-052
2-1/16" 3 2-1/16"
550-054
2-1/8" 3 2-3/64"
550-056
2-3/16" 3 2-3/64"
550-057
2-1/4" 3 2-3/64"
550-060
2-3/8" 3 2-3/64"
550-064
2-1/2" 3 2-3/64"
550-065
2-9/16" 3 2-3/64"
550-068
2-11/16" 3 2-3/64"
550-070
2-3/4" 3 2-3/64"
550-073
2-7/8" 3 2-3/64"
550-076
3" 3 2-3/64"
550-079
3-1/8" 3 2-3/64"
550-080
3-5/32" 3 2-3/64"
550-082
3-15/64" 3 2-3/64"
550-083
3-1/4" 3 2-3/64"
550-089
3-1/2" 3 2-3/64"
550-092
3-5/8" 3 2-3/64"
550-102
4" 5 2-3/64"
550-105
4-1/8" 5 2-3/64"
550-108
4-1/4" 5 2-3/64"
550-111
4-1/4" 5 2-3/64"
550-114
4-1/2" 5 2-3/64"
550-118
4-5/8" 5 2-3/64"
550-127
5" 5 2-3/64"
550-133
5-1/4" 5 2-3/64"
550-152
6" 5 2-3/64"
550-160
6-5/16" 7 2-3/64"
550-168
6-5/8" 7 2-3/64"
550-185
7-1/4" 7 2-3/64"
550-210
8-1/4" 7 2-3/64"
550-225
8-7/8" 9 2-3/64"
550-260
10-1/4" 5 2-3/64"
550-270
10-5/8" 5 2-3/64"
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