| Customized: | Customized |
|---|---|
| Standard: | AISI, API |
| Length: | Taper-length |
| Type: | Core Drill Bit |
| Material: | Tungsten Carbide |
| Usage: | Metal Drilling, Masonry Drilling |
| Samples: |
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| Customization: |
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Audited Supplier 50mm 8 buttons Tapered Drilling button bit
Product Description
Made with high quality of raw material through special heat treatment ,especially, tungsten carbide of tapered button bits are from Boart long year,widely applied in Hand Hold ( short-hole) drilling system for dimensional stone quarrying. At now, we are exporting the huge qty of Q7- 33- 7 22-80 , Q9 -45 -12 22- 71 for Indian quarry and Norway, Finland quarry.
Diameter of bits from 30mm to 50mm with 4 ,6,7,11,12 degree, premium alloy tapered drill steel with Hexagonal.22mm and Hexagonal.25mm,The deliver capacity are very strong and can completely meet customer's requirements on delivery design,number of buttons is 4,5,6,7,8,9,7 buttons is very popular for hold held (short holes ) and blast drilling system.
We can also design all kinds of Alloy Bore Bit according to your requirements.
Tapered Button bit connection:
| Drill bit diameter | Taper(°) | |
| (mm) | (in) | |
| 28 | 1 3/32 | 6,7 |
| 30 | 1 3/16 | 6,7 |
| 32 | 1 1/4 | 6,7,11,12 |
| 34 | 1 11/32 | 6,7,11,12 |
| 35 | 1 3/8 | 6,7,11,12 |
| 36 | 1 13/32 | 6,7,11,12 |
| 38 | 1 1/2 | 6,7,11,12 |
| 40 | 1 9/16 | 6,7,11,12 |
| 41 | 1 5/8 | 6,7,11,12 |
| 42 | 1 21/32 | 6,7,11,12 |
| 43 | 1 11/16 | 6,7,11,12 |
| 45 | 1 3/4 | 6,7,11,12 |
| 50 | 1 31/32 | 6,7,11,12 |
| 60 | 2 3/8 | 6,7,11,12 |
| Drill bit diameter | Thread standard | |
| (mm) | (in) | |
| 35 | 1 3/8 | R22 R25 |
| 36 | 1 13/32 | R22 R25 R28 |
| 38 | 1 1/2 | R22 R25 R28 R32 |
| 43 | 1 11/16 | R25 R28 R32 |
| 45 | 1 3/4 | R25 R28 R32 |
| 48 | 1 7/8 | R32 |
| 51 | 2 | R32 |
| 64 | 2 1/2 | R38 T38 |
| 76 | 3 | R38 T38 T45 |
| 89 | 3 1/2 | R38 T38 T45 T51 |
| 102 | 4 | T45 T51 ST58 SD60 |
| 115 | 4 1/2 | T51 ST58 SD60 |
| 127 | 5 | T51 ST58 SD60 |
| 140 | 5 1/2 | T51 ST58 SD60 |
| 152 | 6 | T51 ST58 SD60 |
we can guarantee all our product:
(1) Direct factory wholesale price, price is cheaper than trading companies.
(2) Strict Quality Control Department, each piece bit need to be checked.
(3) Accept custom order. can special make for you.
(4) Focus on the quality.We seek long-term interest.
(5)Welcome small orders, our Min Quantity Order is 1 piece.
(6) All bit are made by skilled workers and advanced technology, we have more than 20 years' experiences, so you must be satisfied with our super quality.
Tapered Chisel/Cross Button Drilling bits collection:
Our products for other clients
The chisel bits in plants
Match with B22 drill rodFAQ Collection:
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory?
A2: Our factory is located in No.9 Kaixuan Ave West,Economic Zone Quzhou, Zhejiang, China
Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.
Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.
Q5: What about the voltage of products? Can they be customized?
A5: Our standard voltage is 380V, 50HZ, 3phase. The voltage can be customized according to your equirement.
Q6: Which payment term can you accept?
A6: 30% T/T in advanced, 70% T/T against the B/L copy.
Q7: How long will you take to arrange production?
A7: we can delivery the normal goods within 7-15 days. Other nonstandard electrical items we will delivery within 25-30 days.
Q8: Can you accept OEM orders?
A8: Yes, with professional design team, OEM orders are highly welcome.
Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
Suppliers with verified business licenses
Audited Supplier 
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