2021 шестигранный хвостовик 22*108 мм конический сверлильный стержень с углом 6 12 градусов

Product Overview

Description

Shank Hex 22*108mm Taper Drill Rod with Angle 6-12 Degree

 

Our factory can offer many kinds of drill bits, including chisel type bits, cross type bits, tapered drill rods and integral drill rods, mainly used for mining, coal cutting, tunneling, rock cutting in quarrying.

Integral Drill Steel is used by a hand held drill machine in Underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc.

The tapered drill rod can be matched with multiple drill bits to drill blast holes with different diameters. It also has the advantages of no need of scrapping after abrasion of drill bits, simple maintenance, low price, low cost of drilling each meter, etc.

 

Main techical datas of Taper drill rod:

 

Model	Taper Degree	Drilling Rod Length	Shank Size
Hex.19mm	4°46″, 6°, 7°, 11°, 12°	0.4m-4.0m	83mm,108mm
Hex.22mm	4°46″, 6°, 7°, 11°, 12°	0.8m-6.0m	83mm,108mm
Hex.25mm	4°46″, 6°, 7°, 11°, 12°	0.8m-6.0m	108mm,159mm

 

 

The technical parameter of Internal drill rod:  

 

Shank(mm)	Length(mm)	Bits Dia D(mm)	Weight(kg)
11 Series
Hex22x108	800	34	3
	1600	33	5.5
	2400	32	8
	4800	29	15.4
12 Series
Hex22x108	800	40	3
	1600	39	5.5
	2400	38	8
	3200	37	10.5
	4000	36	12.9
	4800	35	15.4
13 Series
Hex22x108	400	34	1.8
	800	33	3.1
	1200	32	4.3
	1600	31	5.5
	2000	30	6.7
16 Series
Hex22x108	600	35	2.4
	1200	34	4.3
	1800	33	6.1
	2400	32	8
17 Series
Hex22x108	600	41	2.7
	1200	40	4.6
	1800	39	6.6
	2400	38	8.7