KingKong Drills Co., Ltd.
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Price: | 5.0 USD |
Payment Terms: | T/T,L/C,WU |
Place of Origin: | Henan, China (Mainland) |
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1.Inspection of ST58 ED68 Drop center retrac buttton bit :
Bench and Production drilling | ||||||||
ST58(2 1/4) ED68 (2 3/4') | Diam | Tip size(mm) | No.of flushing holes | Thread | Weight (Kg) | |||
mm | in | Gauge | Front | Side | Front | |||
Drop centre retrac button bits | 89 | 3 1/2 | 8×12 | 4×12 2×11 | 4 | ST58 | 5.10 | |
Retrac button bits | 89 | 3 1/2 | 8×14 | 6×12 | 2 | ST58 | 5.1 | |
102 | 4 | 8×14 | 7×12 | 2 | ST58 | 6.5 | ||
115 | 4 1/2 | 8×16 | 6×14 | 2 | ST58 | 8.5 | ||
110 | 4 3/8 | 8×16 | 6×14 | 2 | ED68 | 10 | ||
115 | 4 1/2 | 8×16 | 6×14 | 2 | ED68 | 10.8 | ||
127 | 5 | 8×16 | 8×14 | 2 | ED68 | 15 | ||
Retrac button bits | 127 | 5 | 9×16 | 8×14 | 3 | ED68 | 15 | |
140 | 5 1/2 | 9×16 | 9×14 | 3 | ED68 | 17.8 |
2.More view of ST58 ED68 Drop center retrac buttton bit :
Thread button bit made with high quality of raw material through special heat treatment
3. Features of ST58 ED68 Drop center retrac buttton bit :
1. Product variety is complete in specifications
2. Cheap in price and good in quality
3. Easy to carry
4. Suitable for various construction conditions
5. Reasonable designed, superior materials, high efficiency, long service life.
Different sizes of button bit can be produced and designed to apply to a broader scope of rock drilling conditions and correspond to different customers' requirements
4. What we have:
1. skillful worker;
2. professors and doctors for R&D;
3. perfect items for quality controlling and testing.
5. ST58 ED68 Drop center retrac buttton bit advantages:
1). Our prodcut has been approved by ISO9001;
2). Our company has been awarded various certificates and honors by goverment, such as observe contact and keep promise enterprise, reliable quality enterprise, civilized unit, high and new tech enterprises, advanced qualtiy management enterprise,ect. ;
3). Specific researching and developing laboratory;
4). More than 30 years manufacturing experience;
5). Powerful capital.
6. 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 15 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.
If You Want To Know More About Our Products, pls Send Us An E-mail: chinadrillingtool.net@gmail.com