| After-sales Service: | Yes |
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| Warranty: | 1 Year |
| Certification: | CE |
| Surface Treatment: | Spray-Paint |
| Manufacturing Process: | Forging |
| Material: | Carbon Steel |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier Taper Drilling Rock Crown Button Bit and Drill String Steel Rod for Quarry Borehole in Granite Mining Site
Product Characteristic:
1.Button bit taper angle: 7°,11°,12°
2.Length: 50/55/71/80 mm
3.Diameter: 30-42 mm
4.Button bit shape: spherical/parabolic
5.Socket inside diameter: 15/19/22/25(mm)
6.Material and process: high quality alloy steel bar and tungsten carbides, through heat treatment
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The information you may like to know before order: 1. Methods of Payment T/T (Telegraphic Transfer) or Western Union or L/C at sight. 2. Delivery Time Based on order quantity, normally it takes 10 - 25 days for production. Only 2 or 3 days if we have stock on your request model and size. 3. Shipping way Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air Bulk order: we suggest by truck/train or by sea. 4. Quality Control We have our own experienced QC. There will be strict inspection and testing for every order before shipping out. 5. After Services: 1) Our sales team will response for your question within 24 hours (Holidays Excluded) 2) Technical Support will be available in any time. |
Suppliers with verified business licenses
Audited Supplier 
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