Hole saws - Multi-function

Center drills for multi-purpose hole saws

(CMT550-HS-HW-DB)

TECHNICAL FEATURES :
- Chrome coated.
- Hexagonal shank.

d	D	L	S
8	10		10	Center drill for bore enlargement and plug removal	CMT550-DB1
20	30	180	8	Center drill for wood	CMT550-HS1
20	30	180	8	Center drill for masonry	CMT550-HW1
32	270	180	10	Center drill for wood	CMT550-HS2
32	270	180	10	Center drill for masonry	CMT550-HW2
32	270	320	10 XL	Center drill for wood XL	CMT550-HS2XL

Multi-purpose long hole saws

(CMT553-TREPAN)

Tungsten carbide-tipped multi-purpose hole saws are designed for use in a wide variety of materials (such as soft and hardwoods, plywood, plasterboard, solid brick, tiles ...).

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.

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).
- Tiles, 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.
Use the recommended speeds to get optimum lifetime. The speed affects the hole quality. Always pre-drill with the center drill to achieve best performance. The percussion/hammer action mode must be turned off when using these hole saws.

D	l	L	Z	Wood & MDF RPM	PVC & fiberglass RPM	Masonry, brick RPM	Tiles RPM	Code
32	152	168	1	800	600	600	400	CMT553-032
45	152	168	2	600	450	450	350	CMT553-045
51	152	168	3	600	450	450	350	CMT553-051
60	152	168	3	500	350	350	300	CMT553-060
65	152	168	3	500	350	350	300	CMT553-065
68	152	168	3	500	350	350	300	CMT553-068
70	152	168	3	500	350	350	300	CMT553-070
76	152	168	3	500	350	350	300	CMT553-076
80	152	168	3	300	250	250	200	CMT553-080
83	152	168	3	300	250	250	200	CMT553-083
86	152	168	3	300	250	250	200	CMT553-086
92	152	168	3	300	250	250	200	CMT553-092
102	152	168	5	300	250	250	200	CMT553-102
105	152	168	5	300	250	250	200	CMT553-105
111	152	168	5	200	150	150	120	CMT553-111
114	152	168	5	200	150	150	120	CMT553-114
121	152	168	5	200	150	150	120	CMT553-121
127	152	168	5	200	150	150	120	CMT553-127
130	152	168	5	200	150	150	120	CMT553-130
133	152	168	5	200	150	150	120	CMT553-133
140	152	168	5	200	150	150	120	CMT553-140
152	152	168	5	200	150	150	120	CMT553-152
160	152	168	7	200	150	150	120	CMT553-160
177	152	168	6	200	150	150	120	CMT553-177
190	152	168	7	200	150	150	120	CMT553-190
210	152	168	7	200	150	150	120	CMT553-210