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Steel, wood, aluminium, cast iron, plastics, non-ferrous metals, stainless steel thicker than 1 mm or fibreboards can be punctured by our saws in order to gain the perfect "look through". Our product range supports your undertakings with standards diameters from 14 to 210 mm.

Our recommendations

Materials, qualities and application areas

Precision, the result of our solid cover plate, long tool life and quiet operation, made possible by the variable toothing with its optimal chip removal - all these features distinguish our bi-metal hole saws. Our fine-toothed hole saws are ideal for thin-walled materials. Our hard-metal coated hole saws achieve the best results when it comes to mineral and composite materials. Our product range leaves no wish unsatisfied.

GUHEMA Bi-Co-lastic HSM...
Bi-metal, with HSS cutter made of M42 (Material No. 1.3247)
4/6 TPI the "All-Rounder"
GUHEMA Bi-Co-lastic HSM...
Bi-metal, with HSS cutter made of M42 (Material No. 1.3247)
10 TPI for thin-walled material
GUHEMA HM-Granulat HSH...
Teeth coated with carbide grit
For mineral materials

The fast path to our Article No.
Grade + Ø + TPI
Example: HSM + 014 + V = HSM014V


Centering units

Mounting shank Hole saw Order No.
Round 6 mm 14 - 30 mm HZARW6
Hexagon 9,5 mm 14 - 30 mm HZASW95
Hexagon 11 mm 14 - 30 mm HZASW11
SDS mounting 14 - 30 mm HZASDS1
Mounting shank Hole saw Order No.
Hexagon 9,5 mm 32 - 210 mm HZASW95A
Hexagon 11 mm 32 - 210 mm HZASW11A
SDS mounting 32 - 210 mm HZASDS2

Accessories / Spare Parts

Description Order No.
Extension for 11 mm hexagonal mounting HZBV11
Ejection spring HZBF
Allen screw HZBS
Adapter used to fit the mountings for hole saws with 32-210 mm of diameter to a 14 to 30 mm hole saw HZBA
Pilot drill 82 mm HZBB82
Pilot drill 102 mm HZBB102

Diameter

Ø GUHEMA Bi-Co-lastic GUHEMA Bi-Co-lastic HM-Granulat
in mm 4/6 TPI ...V 10 TPI ...J ...S
14
16
17
19
20
21
22
23
24
25
27
29
30
32
33
35
37
38
40
41
43
44
46
48
51
52
54
56
57
58
59
60
64
65
67
68
70
73
76
79
83
86
89
92
95
98
102
105
108
111
114
121
127
133
140
146
152
160
168
177
200
210

= deliverable toothing