
42mm Tapered 7, 11, 12 Degree Drill Bit for Granite Rock Drilling
TAIZHOU CITY KAIYU METALLURGY MACHINES & TOOLS CO., LTD.- Customized:Customized
- Length:65mm
- Type:Chisel Bits
- Material:High Carbon Steel
- Usage:Well Drilling
- Power Type:Pneumatic
Base Info
- Model NO.:chisel bit
- Condition:New
- Process:Heat Treatment
- Color:Golden, Yellow, Customized.
- Transport Package:Wooden Case
- Specification:42mm
- Trademark:Kaiyu
- Origin:Taizhou, Zhejiang
- HS Code:8207199000
- Production Capacity:1000000 PCS Per Month
Description
Taper degree
a=4°, 7°, 11°,12°
Inner hole diameter d=19mm, 22mm, 24mm
28 60 2 0.18 30 60 2 0.19 32 63, 70 2 0.2 34 65 2 0.25 36 62 ,64, 80 2 0.28,0.35 38 65 2 0.31 40 69 2 0.33 42 67 2 0.35 43 75 2 0.48 44 75 2 0.5 46 80 2 0.55 Production process:


Chisel bits and Cross bits Application:

Shipment and payment:
By sea, by air, and by road; T/T (Telegraphic Transfer) or Western Union or L/C at sight.
About Us:
1.Our factory has been specialized in manufacturing drilling tools and spare parts over 48 years.
2.We have advanced technology and equipment.
3.Rock drilling tools are exported throughout the world, main market :Europe,South America,Southeast Asia,Africa,Russia,India etc.
Why you choose KAIYU tapered chisel bits?
1.Tapered button bits connect with tapered drill rod perfectly for drilling holes;2.Mature welding technology ensures high quality of bits;3.Accurate dimension of taper degree perfectly matches the rods;4.Work reliable and very cost-effective;5.High grade tungsten carbide inserts.

a=4°, 7°, 11°,12°
Inner hole diameter d=19mm, 22mm, 24mm


Chisel bits and Cross bits Application:

Shipment and payment:
By sea, by air, and by road; T/T (Telegraphic Transfer) or Western Union or L/C at sight.
About Us:
1.Our factory has been specialized in manufacturing drilling tools and spare parts over 48 years.
2.We have advanced technology and equipment.
3.Rock drilling tools are exported throughout the world, main market :Europe,South America,Southeast Asia,Africa,Russia,India etc.
Why you choose KAIYU tapered chisel bits?
1.Tapered button bits connect with tapered drill rod perfectly for drilling holes;2.Mature welding technology ensures high quality of bits;3.Accurate dimension of taper degree perfectly matches the rods;4.Work reliable and very cost-effective;5.High grade tungsten carbide inserts.

