Maxdrill High Performance Down The Hole DHD350 Drill Bit

• Customized: Customized
• Standard: GB/T2828.1-2003
• Length: Stub-length
• Type: Rock Drill
• Material: Alloy Steel & Tungsten Carbides
• Usage: Rock Drilling
• Weight: 25kg
• Connection Thread: API 2 3/8" Reg
• External Diameter: 82mm
• Recommended Rotary Speed: 25-40r/Min
• Transport Package: Plywood Carton or Plywood Pallet
• Specification: DHD350 DTH bit
• Trademark: maxdrill
• Origin: China
• HS Code: 82071290
• Production Capacity: 500/Month

Product Description

Maxdrill High Performance Down the Hole DHD350 Drill Bit
length:930mm
weight:25kgs
bit shank :DHD350
hole range:90-110mm
working pressure:1.0-2.5mpa



Product Description:
Process&Package:

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. Handling time for an order

  Based on order quantity, normally it takes 25 days for production.

  Only 2 or 3 days if we have stock on your request size.

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air 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:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality