E-mail: [email protected] Whatsapp: +8613647327093 Tel: +86-731-8403-0163
E-mail: [email protected] Whatsapp: +8613647327093 Tel: +86-731-8403-0163
Application: Suitable for 80-160Mpa hardness work of foundation piles.
Material: Tungsten carbide:SY11 + 15MnNi4Mo.
Size: 5 1/2’’, 5 7/8’’, 6 1/2’’, 8 1/2’’, 12 1/4’’, 12 1/2’’, 17 1/2’’.
Type: Weld-in roller bits, Roller bits with holder, Bolt-on roller bits
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1:All cover with 14mm carbide cones.
2: Common holder locking by pins.
3: Rubber sealing O ring, Sliding bearing, with bearing lubricating oil tank.
4: Drilling pressure:200-350KN.
| Part No. | Description | Standard Pin Size (API REG) |
| 5 1/2’’,5 7/8’’, 6 1/2’’ | Roller bit | 3 1/2’’ |
| 8 1/2’’ | Roller bit | 4 1/2’’ |
| 12 1/4’’, 12 1/2’’ | Roller bit | 6 5/8’’ |
| 17 1/2’’ | Roller bit | 7 5/8’’ |
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Bullet Teeth For Rock Drilling