29PCS HSS Twist Drill Bits Set for Metal Aluminum
Jiangsu Yaofeng Tools Co., Ltd.- Customized：Customized
- Length：Taper-length
- Type：Twist Drill Bit
- Material：High Speed Steel
- Usage：Metal Drilling
- Trademark：JG,OEM
Base Info
- Model NO.：29pcs
- Origin：China
- Production Capacity：10000pieces,Day
Description
Basic Info.
Model NO. 29pcs Origin China Production Capacity 10000pieces/DayProduct Description
Product Name: HSS TWIST DRILL BITS
Material : HSS 4241
Process : Roll forged / full ground
Shank Type: Straight
Surface Finish : Bright finish / Tin Coated / black finish
Standard : DIN 338
Diameter : 1-10mm*0.5 + 3.2mm +4.2mm
Features:
The large increment of drill body makes the product not easy to break.
The hole with thick core is easier.
Quenching temperature within 5 degrees temperature control, more stable quality.
