Straight Flute HSS Step Drill Bits
Zhenjiang Scharp Machinery Tools Co., Ltd.- Customized：Customized
- Standard：DIN, JIS, AISI
- Length：Jobber-length
- Type：Twist Drill Bit
- Material：High Speed Steel
- Usage：Metal Drilling
Base Info
- Model NO.：standard
- Size：4mm to 35mm
- Transport Package：on Request
- Specification：Metric Inch
- Trademark：stc
- Origin：Jiansu
- HS Code：82075090
- Production Capacity：50000PCS,Month
Description
STC001A, INCH SIZES STEPS DRILLNo. of Holes Description Shank Diameter Step Thickness 13 1/8" - 1/2" by 1/32" increase 1/4" 1/8" 6 3/16" - 1/2" by 1/16" increase 1/4" 3/8" 9 1/4" - 3/4" by 1/16" increase 3/8" 1/8" 12 3/16" - 7/8" by 1/16" increase 3/8" 1/8" 10 1/4" - 1.3/8" by 1/8" increase 1/2" 1/8"
STC001A, INCH SIZES STEPS DRILL No. of Holes Description Shank Diameter 9 4 - 12mm by 1mm Increase 6/6.5mm 5 4 - 12mm by 2mm Increase 6/6.5mm 7 6 - 18mm by 2mm Increase 10mm 8 6 - 20mm by 2mm Increase 8mm 12 6 - 30mm by 2/3mm Increase 10mm 9 4 - 20mm by 2mm Increase 10mm 10 4 - 22mm by 2mm Increase 10mm 14 4 - 30mm by 2 mm increase 14mm 13 5 - 35mm by 2/3mm Increase 13mm