Roof bolt drill bits
Product Details:
| Type | Drill Bit |
|---|---|
| Place of Origin | Henan, China (Mainland) |
Detailed Product Description
Features :
(1) The wings of cutter are made from PDC.They have faster drilling speed and longer life when drilling soft to medium stratum(f≤10).
(2) Drilling holes without the contract og the diameter,the quality of the drilled hole is perfect and decreasing the waste of rolled up powder and anchor-shank.
(3) Need not repeat replacing and grinding the bits,and increase supporting efficiency,decrease the labour strength.
Specifications :
Φ25 Φ27 Φ28 Φ29 Φ32 Φ36 Φ42
Roof bolt drill bits
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Company Info
Ningbo Huike Electrical Appliance Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Ningbo
Province/State: Zhejiang
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products