Wholesale Price Carbide Wear Roller - DTH drill bits – Jinxin

Product name: DTH drill bits

Material: Tungsten carbide for buttons, 45CrMo or #45 steel for body.

Drilling Diameter: φ80mm -φ400mm

Application: For drilling in hard rocks

Certifications: ISO9001: 2015, ISO14001:2015 and SGS Report


Packaging: Normal neutral packing or as per customer’s requirement
Delivery Time: 15-20 working days after receiving advance payment.
Delivery Methods: By Express, by Sea or Air.


Q1: Are you trading company or manufacturer ?
A: We are manufacturer (factory).
Q2: How long is your delivery time?
A: Generally it is 5-15 working days if the goods are in stock. Or it is 20-30 working days if the goods are not in stock, it is according to the quantity.
Q3. What is your terms of delivery?
A: FOB, CFR, CIF,EXW, DAP etc.
Q4: Do you provide samples ? Is it free or extra ?
A: No, it should be paid because of high value.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6: What is your terms of payment ?
A: Payment≤1000USD, 100% in advance. Payment≥1000USD, 30% T/T in advance ,the balance should be paid before shipment.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Sabrina Wu
Tel: +86 0731 28821498
Fax: +86 0731 22332243
Mob: +86 180-7331-9589
E-mail: sales06@jxcarbide.com
Skype & Wechat : 18073319589
Add: # 801, Building 3, No. 500 Jinshan Road,
Jinshan Technological Industrial Park,
Hetang District, Zhuzhou,Hunan China