
Add to Cart
Carbide drill bit, pilot drill bit,carbide drill bits for steel, 14mm drill bit,cutting drill bit
What is the Pilot Drill bit?
Before drilling, a rigid centering drill is used to drill an initial hole with a depth of 1-2 times the diameter to ensure the accuracy position of drilling with ordinary drill bit, and reserve chamfer for tapping, this kind of drill bit is pilot drill bit, pilot drill bit is also named chamfer drill bit because of its chamfer function.
Standard size of the pilot drill bit:
d Cutting dia | D Shank dia | Lc Cutting length | L Overall length |
1mm | 3mm | 3mm | 50/25mm |
1.5mm | 3mm | 3mm | 50/25mm |
2mm | 3mm | 6mm | 50/25mm |
2.5mm | 3mm | 6mm | 50/25mm |
3mm | 3mm | 6mm | 50/25mm |
4mm | 4mm | 7mm | 50/25mm |
5mm | 5mm | 8mm | 50/25mm |
6mm | 6mm | 8mm | 50/25mm |
8mm | 8mm | 10mm | 60/30mm |
10mm | 10mm | 16mm | 60/75mm |
12mm | 12mm | 18mm | 75mm |
3.0/6.0mm | 3.175mm | 12mm | 38mm |
1,Regular stock for above size.
2,Tip angle can be 60° and 120° as per requirement, no stock, please consider the producing time.
product picture:
Specification:
Material:Tungsten Carbide
Use:Metal Drilling,Wood Drilling
Application:Various materials,tungsten carbide drill bits for drilling
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.