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| Categories | DTH Button Bits | 
|---|---|
| Brand Name: | QIDELI | 
| Model Number: | QD35A-90 | 
| Certification: | SGS, ISO: 9001 | 
| Place of Origin: | CHINA | 
| MOQ: | 1 Piece | 
| Price: | Negotiation | 
| Payment Terms: | L/C, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability: | 1000PCS/Months | 
| Delivery Time: | 10~20 dayts | 
| Packaging Details: | 1000PCS/Months | 
| Shank type: | COP34 DHD3.5 HD45A | 
| Material: | Special steel | 
| Usage: | Rock drill \ mining | 
| Model number: | COP34-90 DHD3.5-90 | 
| Carbide brand: | YKO5 | 
| Carbide type: | Φ14X6/Φ14X4 | 
| Face type: | Convex face | 
| Color: | black,yellow,croci,golden,red | 
3.5 inch bits for cop32 dth hammer,for blasthole drilling. Qideli manufacure.
3 inch dth hammer bits for miningis the tool cutting rock. Sinodrills DTH bits are made of superior quality alloy steel which is made by Timken in U.S. Besides, all our DTH bits are using the brand "Element Six" T.C carbide which provides (the T.C buttons) for Boart Longyear. In addition art manufacturing technology makes our DTH bits with higher and more reliable quality.
The 3-inch bit usually adopts the design of plane type, side tooth ball tooth, middle tooth parabola, and the plane type bit has good wear resistance and is suitable for drilling in various rock strata.
| pecification: | Diameter: (mm) | Weight: (kg) | 
| Low air pressure DTH bits CIR type | 68 ~ 200 | 2.6 ~ 48 | 
| Middle air pressure BR & COP type | 76 ~ 110 | 3.8 ~ 15 | 
| 3 inch high Air pressure DTH bits(COP32/BR3/HD35/IR3.5/COP34/QL30) | 85 / 90 / 95 / 100 / 105 | 4.2 ~ 5.5 | 
| 4 inch high Air pressure DTH bits(HD45/DHD340A/COP44/SD4/QL40/HM4) | 105 / 110 / 115 / 120 / 127 | 9 ~ 12 | 
| 5 inch high Air pressure DTH bits(HD55/DHD350R/COP54/SD5/QL50/HM5) | 133 / 140 / 146 / 152 / 165 | 15 ~ 18.5 | 
| 6 inch high Air pressure DTH bits(HD65/DHD360/COP64/SD6/QL60/HM6) | 152 / 165 / 178 / 190 / 203 | 26 ~ 36 | 
| 8 inch high Air pressure DTH bits(HD85/DHD380/COP84/SD8/QL80/HM8) | 195 / 203 / 216 / 254 / 305 | 33 ~ 95 | 
We have produced all seires dth hammer and bits ; like the copseries , mission series
Advantages:
Compared with the oversea brands , our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality
against the small factory
Main dimension:

About Us:
1. Our factory has been specialized in manufacturing drilling tools
and spare parts for over 20 years.
2. We have advanced technology and equipment.
3. Our technician has more than 13 year's professional working
experience.
4. Rock drilling tools are exported throughout the world. Main
market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay,
Iran, Philippines, Thailand, India, etc.
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