Step Drill Bit, Four Flute Spiral Unibit for Metal and Wood
$39.99
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This is a four-flute spiral step drill bit made of high speed steel (HSS), with a 1/4" hex shank that fits a standard drill. Its stepped body lets you enlarge a hole in stages, and each step size is laser-engraved on the bit so you can read it at a glance.
- Secure checkout
- Free shipping on orders of $75.00 or more
- 30-day returns
Product Description
Choose the size set that covers the hole diameters you need most. Each unit is one step drill bit.
- Three size options: 3/16" to 1-3/8" with 19 steps, 3/16" to 7/8" with 12 steps, or 1/4" to 3/4" with 9 steps
- Four-flute spiral design for stable cutting and convenient drilling
- Shown drilling aluminum, wood, plastic, metal, and stainless steel
Materials & Care
Follow the care label sewn into the garment.
Size & Fit
Shipping & Returns
Orders are prepared in 1–2 business days and ship within the United States. Standard shipping is free on orders of $75.00 or more; below that it is $6.99.
| Method | Handling | Transit | Total | Cost |
|---|---|---|---|---|
| Standard | 1–2 business days | 5–7 business days | 6–9 business days | $6.99, free on orders of $75.00 or more |
| Express | 1–2 business days | 2–4 business days | 3–6 business days | $12.99 |
| Overnight | 1–2 business days | 1–2 business days | 2–4 business days | $24.99 |
Returns are accepted within 30 days of delivery, with no restocking fee.
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