28-50mm Hard Alloy Rock Single Chisel Drilling Bits Jack Hammer Taper Core Drill Tips for Mining Tunnel Stone

• After-sales Service: Online Service
• Certification: ISO 9001:2008
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Tungsten Carbide
• Formation: Soft-Hard Formation
• Model NO.: KB28-50
• Advantage: Ore Mining, Coal Mining, Well Drilling
• Taper Type: 4.8°6°11°12&Deg
• Purpose: Small Hole Drilling
• Transport Package: Standard Export Packing
• Specification: 28-50MM
• Trademark: KUANGBAO
• Origin: China
• HS Code: 8207199000
• Production Capacity: 10000PCS/Month

Product Description

 

Basic Info.

Model NO.	Y128-719,Y130-719,Y132-722,Y134-722,Y136-722,Y138-722,Y140-722,Y140-724,Y142-722,Y142-724,Y143-722,Y143-724,Y144-722,Y144-724,Y146-722,Y146-724,Y148-722,Y148-724,Y150-722,Y150-724		Diameter	28-50mm
Processing Type	Forging		Use	Well Drilling,Coal Mining,Quarry Drilling
Transfer	Air/Sea/Express		Color	Request
Advantage	High Performance		Product Name	Down The Hole (DTH) Bit
Face Design	Flat;Convex;Concave		Inserts Design	Spherical; Ballistic; Parabolic
Transport Package	Wooden Box or as Customers Inquire		Specification	28-50mm
Trademark	PANDA		Origin	FUjian China
HS Code	8207199000		Production Capacity	2000 Pieces / Week

Product Description

This price is a reference price, and the final price is subject to the official negotiation result of the buyer and the seller!
Material: tungsten carbide

-Name: Conical straight drill bit for quarrying, mining, and tunnel excavation
-Brand name: KUANGBAO
-Diameter: 28/30/32/34/36/38/40/42/43/44/46/48/50 etc.
-Material: 35CrMoNiV, carbide.
-Taper: 4 .8°, 6°, 11°,12°
- Rod handle: hexagonal 19*108, hexagonal 22*108,
-Machinery: rock drill, rock drill
-Color: blue, black, golden, red
-Packaging: wooden box
-Delivery time: 7-30 days
-Purpose: small hole drilling
-Application: Used in granite and marble quarries, gold mines, railways, tunnels, etc.
 
Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 95% against the original products
B. Price are competitive against the famous brands and best quality against the small factory

About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 20 years.
2. We have advanced technology and equipment,advanced heat treatment theory. 
3. Our technician has more than 17 year's professional working experience.
 

Detailed Photos

APPLICATION

Our main products:

1. DTH Hammer, DTH bit, Drill rod

2. Top hammer bit, Shank adapter, Drill pipe, coupling.

3. Taper button bit, chisel bit, cross bit,taper rod.

4. Air compressor and drilling machine.

FAQ

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