metric and inch
Customized
DIN, JIS, AISI
Jobber-length
Twist Drill Bit
High Speed Steel
Metal Drilling
4mm to 35mm
stc
on Request
Metric Inch
Jiansu
82075090
Product Description
We make CBN fully ground HSS step drill bits. Made from high grades high speed steel, tin coating and tialn coating both avialable.
Kinds of sets are available.
Tin coating, tialn coating available.
Laser marking.
| STC001A, INCH SIZES STEPS DRILL | |||||
| No. 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 | |||
