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Milwaukee #4 Step Drill Bit, 3/16 in. – 7/8 in., 1/16 in. Increments, Black Oxide
Regular price $49.97Orders start at $399 — combine any items to reach the minimum. Learn more
Milwaukee #4 Black Oxide Step Drill Bit (3/16–7/8 in.)
This Milwaukee step drill bit delivers jam-free performance with a dual-flute design for faster holes and longer life. The Rapid Strike tip starts quickly with less heat, while the black oxide coating and laser-engraved size marks enhance durability and accuracy for drilling steel, aluminum, sheet metal, and plastics.
Key Features:
- Jam-Free Performance: Dual-flute design optimized for high-speed cordless drilling for speed and control
- Fast, Accurate Starts: Rapid Strike tip reduces heat and minimizes walking
- Durable Black Oxide Coating: Extends bit life and improves hole quality
- Easy Size Identification: Laser-engraved reference marks visible while drilling
- Secure Grip: 3-flat shank reduces slippage in the drill chuck
Specifications Table:
| Specification | Details |
|---|---|
| Bit Material | Black Oxide |
| Drill Bit Type | Step |
| Drill Bit Type(s) Included | Step |
| Individual/Set | Individual |
| Material Application | Aluminum, Duct/Sheet Metal, Steel |
| Shank Style | 3-Flat Secure-Grip |
| Shank Diameter | 3/8 in |
| Bit Diameter | #4; 3/16 in – 7/8 in |
| Step Increments | 1/16 in (0.125 in) |
| Bit Length | 2.96 in |
| Drilling Depth | 2.125 in |
| Item Weight | 0.2 lb |
| Assembled Width | 4.9 in |
| Assembled Height | 5.9 in |
| Assembled Depth | 1.05 in |
Frequently Asked Questions (FAQ):
Q: What materials can this step bit drill?
A: It’s ideal for aluminum, duct/sheet metal, mild steel, and plastics like PVC.
Q: What are the step sizes and increments?
A: Sizes range from 3/16 in. to 7/8 in. with 1/16 in. increments.
Q: Will it work with my cordless drill?
A: Yes, it’s optimized for use with all drill/drivers, especially cordless models at high speed.
Q: What is the shank type and diameter?
A: It has a 3-flat Secure-Grip shank with a 3/8 in. shank diameter to reduce slippage.
Q: How long is the bit?
A: Overall bit length is approximately 2.96 inches.
Precision Meets Power for Clean, Confident Holes
This step bit brings sleek, purposeful design to the workshop—its tiered silhouette and laser markings feel both modern and meticulous. The Rapid Strike tip offers crisp starts, while the black oxide finish adds a refined, durable edge. Pair it with a compact cordless drill to swiftly create flawless openings in metal or PVC for clean cable runs and hardware installations. It’s an essential, elevated tool that keeps projects polished and professional.
Upgrade your drill kit with Milwaukee’s jam-free step bit for faster, cleaner holes across metal and PVC.
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