Klein QRST2S Step Drill Bit Set, Quick-Release, Straight, Double Fluted (3 Piece)
Klein QRST2S Step Drill Bit Set, Quick-Release, Straight, Double Fluted (3 Piece)

Klein QRST2S Description
Impact-rated step drill bit set with aluminum titanium nitride coating and dual spiral flutes for faster cuts, quick-release 1/4 inch hex shank, and easy-to-read laser size markings for precise multi-material drilling.
Klein QRST2S Includes
- (2) QRST14 Step Drill Bits (3/16 in. to 7/8 in.)
- (1) QRST01 Step Drill Bit (1/8 in. to 1/2 in.)
- (1) QRST2S Step Drill Bit Set
Klein QRST2S Features
- Aluminum Titanium Nitride (AlTiN) coating for extended bit life
- Dual spiral flutes for quicker chip removal and faster cutting
- Split-point tip for fast starts and reduced walking
- Impact-driver and standard drill compatible
- 1/4 inch hex quick-release shank for secure grip
- Easy-to-read laser-etched size markings
- Suitable for steel, wood, plastic, and aluminum
Klein QRST2S Specifications
| Set Size: | 3 Piece |
| Included Bits: | (2) QRST14 3/16 in.–7/8 in.; (1) QRST01 1/8 in.–1/2 in. |
| Material: | M2 HSS Steel |
| Coating: | Aluminum Titanium Nitride (AlTiN) |
| Shank Type: | 1/4 in. hex |
| Flute Type: | Dual spiral |
| Application: | Multi-material drilling |
| Weight: | 5.5 oz (158 g) |
We offer a 30-day return window for unused, unworn items in their original condition. If your item arrives damaged or incorrect, please get in touch with us within 7 days with photos so we can resolve it quickly.
Lineroots is not responsible for lost or stolen packages marked as delivered. Any reshipments for incorrect addresses will be at the customer’s cost. Approved returns are processed within 3–5 business days after we receive your package