140mm Nwlb Series Low Air Pressure DTH Button Bits for Rock Drilling

• Certification：ISO 9001:2008
• Standard：GB
• Surface Treatment：Spray-Paint
• Manufacturing Process：Forging
• Material：Alloy Steel
• Drilling Hole Diameter：140mm

=== Base Info ===

• Hammer Series：Nwlh90
• Face：Flat;Convex;Concave
• Weight：8 Kgs
• Applicable Industries：Construction Works , Energy & Mining, Food & Bever
• Gauge：8X φ14mm
• Transport Package：Wooden Box,Plastics Box
• Trademark：NEWAY POWER
• Origin：China
• HS Code：82071990
• Production Capacity：10000 PCS Per Month

=== Description ===

NWLH170NWLB30030015 * φ1635NWLB35035018 * φ1640
We can design and manufacture according to customer's requirement of the Bit Dia, No. of air holes carbide button shape and the face shape.

Head Design:


Technical Process:

1. Steel  ---> 2. Lathe  ---> 3. Punching   ---> 4.Welding Carbide Button ---> 5. Painting



Package and Stock:

Products Applications:

NWLB Series drilling bit is suitable for drilling water wells, geothermal wells, short micropiles, medium mini-type
grounting hole of building,dam and harbour project.



FAQ
1. How to pay?
    TT.

2. How to produce customized products?
    We can produce by your samples or technical drawings. We can build the molds and fixtures.

3. Do you test all your goods before delivery?
    Yes, we have 100% test before delivery.

4. How about your delivery time?
    Generally, it will take 24-48 hours after receiving your advance payment. Some is one week. The specific delivery time depends on the items and the quantity of your order.