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Basic Info
| Model No. | 20 nch replaceable hole openers |
|---|---|
| Brand Name | CRD |
Product description
Name | Hole?opener with replaceable roller cones |
Bit?size | 20 inch |
Tooth?type | chisel?insert |
Thread?connections | According?to?API?Spec7-1?standard |
Coon?Pin | API?Reg?regular |
Cutter? | 8 1/2" replaceable roller cones or customized |
Material | Tungsten?carbide?insert |
Lubrication?and?seal | Adopt?advanced?grease |
Thrust?faces | Hardfaced?with?wear?resistant?alloy |
Multiple?gauge?protection | Yes |
Gauge?protection | On?the?Shirttail:?More?carbide?inserts?increase?gauge?holding?capability?and?bearing?life. |
Bearing | Elastomer?sealed?(rubber?sealed)?journal?bearing Metal-face???sealed?journal?bearing |
Industrial?standard?of?China | SY/T5164 |
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3?Newly Arrived hole openers with replacable roller cones, save more costs for you in the long-term drilling!!! Send your inquiry to this supplier
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