SDR Step Drill Quick Release Shank
3keego step drill quick release shank is made of M2 high-speed steel material. The CBN ground spiral fluted design of SDR step drills helps remove chips easily. SDR step drill quick release shank type is available with standard coating, TiN coating, and TiAlN coating.
Category: SDR Step Drills_Quick Release ShankFeatures
Quick Release Shank Spiral Flute Design
- Sharp and non-slip cutting edge starts cutting faster.
- Laser-Etched diameter markings for easy identification of the number on the step drill.
- The quick release shank fits portable drilling machines or pillar drilling machines without slipping on the chuck.
What is a step drill used for?
Ideal for Thin Metal Sheet
- CBN ground spiral flute design.
- Hex shank with diameters of 7mm, 9mm.
- Tin coating and Tia coating provide higher durability and cutting performance.
Specifications
| SDR Type Quick Release Shank | |||
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| Type | SDR Standard Quick Release | SDR TiN Quick Release | SDR TiAlN Quick Release |
| Step drill | M2 High Speed Steel (HSS) | M2 High Speed Steel (HSS) | M2 High Speed Steel (HSS) |
| Flute Type | Spiral | Spiral | Spiral |
| Steps | |||
Metric (mm) | Ø4 ~ 12 mm (9 Steps) Ø4 ~ 22 mm (10 Steps) Ø4 ~ 26 mm (12 Steps) Ø4 ~ 30 mm (14 Steps) Ø5 ~ 35 mm (7 Steps) Ø4 ~ 36 mm (9 Steps) Ø4 ~ 44 mm (11 Steps) | Ø4 ~ 12 mm (9 Steps) Ø4 ~ 22 mm (10 Steps) Ø4 ~ 26 mm (12 Steps) Ø4 ~ 30 mm (14 Steps) Ø5 ~ 35 mm (7 Steps) Ø4 ~ 36 mm (9 Steps) Ø4 ~ 44 mm (11 Steps) | Ø4 ~ 12 mm (9 Steps) Ø4 ~ 22 mm (10 Steps) Ø4 ~ 26 mm (12 Steps) Ø4 ~ 30 mm (14 Steps) Ø5 ~ 35 mm (7 Steps) Ø4 ~ 36 mm (9 Steps) Ø4 ~ 44 mm (11 Steps) |
Imperial ( " ) | Ø1/8" ~ Ø3/8" (5 Steps) Ø1/8" ~ Ø1/2" (7 Steps) Ø1/8" ~ Ø1/2" (13 Steps) Ø3/16" ~ Ø1/2" (6 Steps) Ø3/16" ~ Ø3/4" (10 Steps) Ø3/16" ~ Ø3/4" (10 Steps)(3 Steps Long) Ø3/16" ~ Ø7/8" (12 Steps) Ø3/16" ~ Ø1" (12 Steps)(9 Steps Long) Ø1/2" ~ Ø1" (9 Steps) Ø3/16" ~ Ø1-1/8" (8 Steps) Ø3/16" ~ Ø1-1/8"(10 Steps)(2 Steps Long) Ø3/16" ~ Ø1-1/8"(16 Steps)(2 Steps Long) Ø7/16" ~ Ø1-1/8" (12 Steps) Ø3/16" ~ Ø1-3/8" (11 Steps) Ø3/16" ~ Ø1-3/8"(11 Steps)(2 Steps Long) Ø3/16" ~ Ø1-3/8" (12 Steps) Ø3/4" ~ Ø1-3/8" (11 Steps) | Ø1/8" ~ Ø3/8" (5 Steps) Ø1/8" ~ Ø1/2" (7 Steps) Ø1/8" ~ Ø1/2" (13 Steps) Ø3/16" ~ Ø1/2" (6 Steps) Ø3/16" ~ Ø3/4" (10 Steps) Ø3/16" ~ Ø3/4" (10 Steps)(3 Steps Long) Ø3/16" ~ Ø7/8" (12 Steps) Ø3/16" ~ Ø1" (12 Steps)(9 Steps Long) Ø1/2" ~ Ø1" (9 Steps) Ø3/16" ~ Ø1-1/8" (8 Steps) Ø3/16" ~ Ø1-1/8"(10 Steps)(2 Steps Long) Ø3/16" ~ Ø1-1/8"(16 Steps)(2 Steps Long) Ø7/16" ~ Ø1-1/8" (12 Steps) Ø3/16" ~ Ø1-3/8" (11 Steps) Ø3/16" ~ Ø1-3/8"(11 Steps)(2 Steps Long) Ø3/16" ~ Ø1-3/8" (12 Steps) Ø3/4" ~ Ø1-3/8" (11 Steps) | Ø1/8" ~ Ø3/8" (5 Steps) Ø1/8" ~ Ø1/2" (7 Steps) Ø1/8" ~ Ø1/2" (13 Steps) Ø3/16" ~ Ø1/2" (6 Steps) Ø3/16" ~ Ø3/4" (10 Steps) Ø3/16" ~ Ø3/4" (10 Steps)(3 Steps Long) Ø3/16" ~ Ø7/8" (12 Steps) Ø3/16" ~ Ø1" (12 Steps)(9 Steps Long) Ø1/2" ~ Ø1" (9 Steps) Ø3/16" ~ Ø1-1/8" (8 Steps) Ø3/16" ~ Ø1-1/8"(10 Steps)(2 Steps Long) Ø3/16" ~ Ø1-1/8"(16 Steps)(2 Steps Long) Ø7/16" ~ Ø1-1/8" (12 Steps) Ø3/16" ~ Ø1-3/8" (11 Steps) Ø3/16" ~ Ø1-3/8"(11 Steps)(2 Steps Long) Ø3/16" ~ Ø1-3/8" (12 Steps) Ø3/4" ~ Ø1-3/8" (11 Steps) |
| Shank type | |||
1/4" Quick release | √ | √ | √ |
| Coating | Standard | TiN coated | TiAlN coated |
| Applications | |||
| Steel | √ | √ | √ |
| Stainless steel | - | - | - |
| Cast iron | √ | √ | √ |
| Aluminum | √ | √ | √ |
| Wood | √ | √ | √ |
| Machine | |||
| Portable drilling machine | √ | √ | √ |
| Pillar drilling machine | √ | √ | √ |
| Magnetic drilling machine | - | - | - |
