Drill bits

  • Manufactured from wear – resistant steel
  • Long service life – high drilling efficiency
  • Standard version with ballistic tungsten carbide pins
  • Fast fitting
  • Change of drill bits in a few steps without disassembling the drill hammer out of the drilling machine
  • Close dimensional tolerance of the original Zimmermann core drilling bit shank
  • Hardened version
Type of hammerDiameter (mm)Weight (kg)
THZ aL 76
THZ d 76 k
Two-Inch-Hammer 		76
90		2,07
2,85
THZ a 85 V 34
THZ aL 85 V
THZ d 85 k
Three-Inch-Hammer		90
100
105
110
120		3,28
3,90
3,95
4,34
5,00
THZ a 110 30 API-AFG
THZ aL 110
THZ d 110 k
Four-Inch-Hammer		110
115
120
130
132
140
150
170
180
190
205		5,66
5,96
6,20
7,20
7,30
8,10
8,40
10,50
12,40
13,25
14,50

Other intermediate sizes such as 160 are possible in production!

We also manufacture special designs according to the customer's wishes.