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Left hand carbide drill bits, micro drills,solid tungsten carbide drill bits,small carbide drill bits
Drill bit types: Drill bits can be divided into two categories, one is flat drills, including twist drills, center drills, deep hole drills and other drilling drill bits; the other is reaming drill bits, including countersink drills and other reaming drill bits. Big spiral drill bits are used in construction projects with an outer diameter of 400 to 600 mm and a length between 12 meters and 8 meters. Different type drill bits work together to in the complicated task. Flat-bottom drill bits are used for loose soil layers, rake drill bits for miscellaneous fill soil layers, and cylinders for obstacles such as concrete and strips.
Left hand carbide drill bits, are special drill bits for left hand machines. The situation in which the left drill has to be used are as follows:
Left hand drill bit can be used for fixing the spiral line which will appear when drilling in the thin-walled parts.
Fixed shank left hand carbide drill bit standard size:
d Cutting diameter | D Shank diameter | Lc Cutting length(mm) | L Overall length (mm) |
0.20-0.25mm | 3.0mm | 2mm | 38/40mm |
0.26-0.55mm | 3.0mm | 3mm | 38/40mm |
0.56-0.95mm | 3.0mm | 6mm | 38/40mm |
0.96-1.20mm | 3.0mm | 7mm | 38/40mm |
1.21-1.60mm | 3.0mm | 8mm | 38/40mm |
1.66-1.95mm | 3.0mm | 9mm | 38/40mm |
1.96-2.50mm | 3.0mm | 12mm | 38/40mm |
2.51-3.00mm | 3.0mm | 12mm | 38/40mm |
3.01-3.175mm | 3.175mm | 12mm | 50mm |
3.176-4.00mm | 4.0mm | 18mm | 50mm |
4.01-5.00mm | 5.0mm | 22mm | 50mm |
5.01-5.50mm | 6.0mm | 25mm | 50mm |
5.51-6.00mm | 6.0mm | 25mm | 50mm |
6.01-8.00mm | 8.0mm | 30-40mm | 75-80mm |
1,Tip angle 118°,d tolerance within 0.005mm
2,Standard size in stock, ready to ship.
3,Accept customize.
product pictures:
Specification:
Shank:Round Shank,Straight shank
Usage:STEEL,rock drilling,aluminium,drill holes,cnc bit for wood
After-sale services:
1,Quantity shortage problem.
Delivered goods should be exactly the same as ordered and paid. If there is any quality or quantity not in conformity, please feedback as soon as you finish the shipment inspection. Usually, the quantity shortage claim should be raised within 7 days the shipment arrives, and please take picture of outside packing condition if you find any broken carton when you sign the reception of the shipment from forwarder in case the quantity shortage caused by losing on way.
If outside packing condition is well, but inner detail grades, size, or items are not the same as packing list, please take pictures of the labels and items, and claim to salespersons for further investigation. When the quantity shortage does happen, we can solve it by goods return, free replacement, or refund as per communication.
2,Quality problem.
The quality problem may not be found right upon the first inspection, for example you have some problems with service life or unusual breaking, please contact the salesperson, offer details of broken points and working conditions as clear as possible, sales person will analyze the problem with our technical team, if necessary, we may ask your favor to return the unqualified items for further analyse with our precise instruments. If problems turned to be unqualified manufacture, we accept the free replacement, return, or refund as communication.
3. Improve current tools.
If you want to improve your current items, in tool life, in performance, or in mass order price. Please don’t hesitate to contact our us, Betalent Carbide’s skilled, professional sales dep. staff, engineers and technicians team are at your service. We can help you from carbide material selection to cutting tools design improvement, new carbide grades can be developed for special application and new structure may come out for your special tool requirement.
4. Help you to gain the market
We can help you to gain the market base on our years of experience in this industry, for example to share some market trend information with you, or help you to customize the popular items for your market.
About us:
Xiamen Betalent Carbide Co., Ltd is a company focus on producing cemented carbide materials and carbide products. It is located in Xiamen, Dongguan, Ganzhou of China, head office and main plant is in Xiamen, plants covering an area over 10000M2, employee number is around 150, among them there is a 15 technician team continually research and develop new items and offer professional technology back up to sales staff, a 20-person quality control team. Betalent carbide factory has advanced facilities and inspection instruments, offer carbide products to the middle to high-end market.