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Product description information

The ZG down-the-hole drill bit of Zhigao Drilling adopts the latest advanced design, which has better slag removal effect and strengthens the strength of key parts of the drill bit, thereby improving the service life and efficiency of the drill bit and helping customers reduce usage costs. Zhigao Excavation ZG down-the-hole drill bits have a series of drill bits suitable for various rock conditions, which can meet the usage requirements of different customers& Nbsp< Br/>


Main technical parameters
ZG down-hole drill bit
Part Number
diameter
Number of edge teeth alloys * size
Number of end teeth alloys * size
Head structure
Number of exhaust holes
Number of splines
weight
Applicable impactor
Mm
Kg
411031003-90
eighty-nine
6 * 14z
2 * 12z+2 * 13z
Convex surface
two
six
three point nine
ZG3.5-CIR90
414012103-90
eighty-nine
6 * 14q
5 * 12z
plane
two
eight
four point three
ZG3.5-DHD3.5,
411031003-100
one hundred
6 * 14z
3 * 12z+2 * 13z
Convex surface
two
six
four point five
ZG3.5-CIR90
411031003-110
one hundred and ten
6 * 14 z
4 * 12z+3 * 13z
Convex surface
three
six
four point eight
ZG4-CIR110
410031004-110
one hundred and ten
7 * 14q
6 * 13q
Convex surface
two
six
five point eight
ZG-CIR110
410012104-115
one hundred and fifteen
8 * 14q
6 * 13q
plane
two
eight
eight point one
ZG4A DHD340A/COP44
410312004-115
one hundred and fifteen