WHY choose us ?
The main informations of R32 R25 R28 Thread drill button bit for stone :
Thread Type | Dia | Tip size(mm) | Flushing holes | Weight (kg) | ||
mm | gauge | front | side | front | ||
R22 R25 R28 SR28 | 41 | 5*9 | 2*8 | 2 | 1 | 0.6 |
42 | 5*9 | 2*8 | 2 | 1 | 0.6 | |
43 | 5*9 | 2*9 | 2 | 1 | 0.6 | |
43 | 5*9 | 2*8 | 2 | 1 | 0.6 | |
45 | 5*9 | 2*9 | 2 | 1 | 0.7 | |
48 | 5*10 | 2*9 | 2 | 1 | 0.78 | |
51 | 5*11 | 2*10 | 2 | 1 | 1.1 | |
57 | 5*12 | 2*10 | 2 | 1 | 1.3 | |
R32 | 41 | 4*9 | 2*8 | 1 | 1 | 0.54 |
43 | 4*9 | 2*9 | 1 | 1 | 0.55 | |
45 | 4*10 | 2*9 | 1 | 1 | 0.6 | |
T38 | 57 | 5*11 | 3*10 | 1 | 1 | 1.6 |
64 | 5*12 | 3*11 | 1 | 1 | 1.6 | |
76 | 5*14 | 3*12 | 1 | 2 | 2.4 | |
T45 | 70 | 6*11 | 4*10 | 0 | 2 | 2.4 |
76 | 6*13 | 4*10 | 0 | 2 | 2.6 | |
89 | 8*12 | 5*12 | 2 | 2 | 4.5 | |
102 | 8*13 | 6*12 | 2 | 2 | 5 | |
115 | 8*14 | 6*13 | 2 | 2 | 6.8 | |
T51 | 89 | 8*12 | 5*12 | 2 | 2 | 4.9 |
102 | 8*13 | 6*12 | 2 | 2 | 5.8 | |
115 | 8*14 | 6*13 | 2 | 2 | 6.8 | |
127 | 8*14 | 6*14 | 2 | 2 | 7.5 |
Application of R32 R25 R28 Thread drill button bit for stone :
Retrac concave mine drill hard rock drilling bits can used on mine ,stone quarry, tunnel , Infrastructure construction and so on .
Customer Visit:
Our products are exported to Malaysia, Russia ,India Sudan Philippines, Mexico ,Greek and Tanzania and so on . Also welcome to you to visit us .
About the Company strength:
Xiamen Zhao Xing Electrical Equipment Co., Ltd. was established in 1996, with extensive experience in drilling area. We specializes in providing drilling solutions for our customers to improve efficiency and cost savings.
ZHAOXING is worth of your choice!

Our factory :
Advanced equipment && Professional technicians && Strict production process
Inner package : Plastic bag,wooden box
Outer package : Wooden case / Plastic box / Carton
Customized according to your request
FAQ :
The information about dth drill bit 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 20 days for production.
in 3 working days after receiving the advance payment
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
b. Technical Support will be available in any time
Quality is our culture !!!
If you have any interertest in them ,pls contact with me now :
Mobile number : + 8618750924119