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7/11/12 Degree Taper Button Bit 30mm - 45mm For Underground Mining Tunneling

Categories Taper Button Bit
Brand Name: Legend Drill
Model Number: tapered drill bits 7°11°12°
Certification: SGS
Place of Origin: China
MOQ: 1 piece
Price: Negotiable
Payment Terms: T/T west union L/C
Supply Ability: 100000 sets per month
Delivery Time: 10-15 days
Packaging Details: wood package
Use:: marble and granite drilling
Application:: granite and marble quarry etc
Design: Precise Design Suit Particular Needs
Button Bit Shape: Spherical, Ballistic
Bit Diameter:: 30mm-45mm
Processing Type:: Forging
Certificate:: ISO9001
color: customization
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7/11/12 Degree Taper Button Bit 30mm - 45mm For Underground Mining Tunneling

30-42mm 7/11/12 Degree Tapered Drill Bits Tapered Button Bits For Underground Mining Tunneling


Description:


  1. Button:tungsten carbide button is the key of the tapered drill bits .our tungsten carbide button is manufacture by ourselves . tungsten carbide grad JZ05 JZ15X JZ8 JZ8X for you different rock condition .
  2. Steel :42CrMo alloy steel which with Vacuum heat treatment to improve the hardness of the steell body . we also can customization for different alloy steel according your application

Applications:

Hole diameter : normally the taper drill hole is 30mm 32 mm 34mm 36mm 38mm.it's all depend on the size of material are you going to putting in the hole Explosives, expanders, steel, etc.

  1. Taper degree : there are 6° 7°11°12° . light duty rock drill is suitable for 6° or 7° tapered drill bit . heavy duty rock drill is suitable for 11°12° tapered drill bit .
  2. Button: form 4 buttons to 9 button on one tapered drill bit .the diameter of the button is form φ6 to φ9 .

Feature Advantage:


Product specifications: tapered drill bits

small hole drilling
TaperDiameter(inch)Diameter(mm)ButtonButton Angel(°)Air holes
FrontGauge
H22 12°1 1/9281×φ74×φ7351
H22 12°1 1/6301×φ74×φ7352
H22 12°1 1/4322×φ75×φ7402
H22 12°1 3/8352×φ75×φ8402
H22 12°1 1/2382×φ75×φ9402
H22 12°1 2/7332×φ75×φ7402
H22 12°1 3/8352×φ75×φ7352
H22 12°1 2/7336×φ72×φ7332
H22 11°1 1/2382×φ83×φ9402
H22 11°1 4/7402×φ83×φ9402
H22 11°1 1/4322×φ75×φ7402
H22 11°1 3/8352×φ75×φ8402
H22 11°1 3/7362×φ75×φ8382
H22 11°1 1/2382×φ75×φ8382
H22 11°1 4/7402×φ85×φ9402
H22 7°1 1/4322×φ75×φ7402
H22 7°1 2/7332×φ75×φ7402
H22 7°1 3/8352×φ75×φ8402
H22 7°1 1/2382×φ75×φ8352

Product photos :tapered drill bits


Quality 7/11/12 Degree Taper Button Bit 30mm - 45mm For Underground Mining Tunneling for sale
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