7 11 12 Degree Tapered Horse Drilling Bits for Rock Drilling Tunnelling
TAIZHOU CITY KAIYU METALLURGY MACHINES & TOOLS CO., LTD.- Certification：ISO9001:2015;SGS
- Standard：GB
- Surface Treatment：Spray-Paint
- Manufacturing Process：Forging
- Material：Alloy Steel
- Power Type：Pneumatic
Base Info
- Model NO.：40mm
- Condition：New
- Process：Heat Treatment
- Color：Golden, Blue, Red etc.
- Transport Package：Wooden Case or Plastic Box
- Specification：40MM
- Trademark：KAIYU
- Origin：Taizhou, Zhejiang
- HS Code：8207199000
- Production Capacity：1000000 PCS, Month
Description
Taper degree
a=4°, 7°, 11°
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:
Ocean,by air, and by road; TT and L/C.
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 chisel 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;6. Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment.
a=4°, 7°, 11°
Inner hole diameter d=19mm, 22mm, 24mm
Production process :
Chisel bits and Cross bits Application:
Shipment and payment:
Ocean,by air, and by road; TT and L/C.
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 chisel 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;6. Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment.