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Milwaukee 48-13-1003 1" x 6" Wood Boring Ship Auger Bit
The Milwaukee 48-13-1003 Ship Auger Bit is a 1" x 6" wood boring bit built for drilling clean, straight holes through dimensional lumber, wall studs, and floor or ceiling joists. Sized at 1" in diameter with a 6" overall bit length, this Milwaukee auger bit is designed to bore through framing members quickly, making it a go-to tool for electricians, plumbers, and general contractors during new construction, remodeling, and rough-in work. The 1" hole size is well suited for pulling wiring, low-voltage cable, or accommodating conduit and pipe pass-throughs through wood framing, while the 6" bit length allows it to reach through standard framing lumber in a single pass.
Key Features
- Bit Diameter: 1" for boring holes sized for common wiring, cable, and conduit pass-throughs.
- Bit Length: 6" overall length, sized to reach through standard wood framing members.
- Ship Auger Bit Style: Auger-style boring bit designed for use in dimensional lumber, studs, and joists.
- Milwaukee Model 48-13-1003: Genuine Milwaukee auger bit for use with compatible drills and drivers on the jobsite.
- Single-Size Design: A dedicated 1" x 6" size for consistent, repeatable hole boring without changing bits mid-job.
Technical Specifications
- Bit Diameter: 1"
- Bit Length: 6"
- Model Number: 48-13-1003
- Bit Type: Ship Auger Bit
Typical Applications
- Electrical Rough-In Wiring Through Wall Studs and Joists
- Plumbing Pipe and Conduit Runs Through Wood Framing
- General Wood Boring for New Construction and Remodeling
- Drilling Access Holes for Cable and Wire Routing
- Framing and Rough Carpentry Boring Applications
Why Milwaukee?
Milwaukee builds its auger bits to hold up to the demands of daily jobsite use, giving electricians, plumbers, and contractors a dependable tool for boring through wood framing on new construction and remodeling projects. The 48-13-1003 is a dedicated 1" x 6" Ship Auger Bit from Milwaukee's line of boring bits, offering a purpose-built size for professionals who need reliable results every time they bore a hole through framing lumber to route wiring, cable, or pipe. Choosing a Milwaukee bit means choosing a tool designed around real jobsite demands, backed by the Milwaukee name that trade professionals rely on for their everyday work.
Manufacturer Resources
Product Specs
- Product Subgroup:
- Hole Saws & Bits
- Department:
- Electrical
- Product Type:
- Drill Bit
- Product Length:
- 6 in
- Country of Origin:
- China
- Bit Type:
- Auger
Milwaukee 48-13-0873 – Frequently Asked Questions
1) What diameters does the Milwaukee 6 inch ship auger bit come in?
Four diameters: 7/8 inch (48-13-0873), 15/16 inch (48-13-0933), 1 inch (48-13-1003), and 1-1/8 inch (48-13-1123). All are 6 inch overall length ship auger bits. For electrical rough-in, the 7/8 and 1 inch sizes are the usual picks for pulling NM cable or passing conduit through studs; go 1-1/8 when you need extra clearance for a bundle.
2) Will a 6 inch ship auger bit go all the way through a 2x4 stud?
Yes. A 2x4 stud is 3-1/2 inches through the face, so the 6 inch overall length of this Milwaukee ship auger clears a single stud in one pass with shank left to spare. Through a doubled top plate (about 3 inches of stacked plate) it also works. Where the 6 inch length runs out is stacked or sistered joists and deeper built-up members, which need a longer auger.
3) What size hole should I bore for a 3/4 inch EMT conduit pass-through in a wood stud?
3/4 inch EMT has an outside diameter of roughly 0.92 inch, so the 1 inch bit (48-13-1003) gives the clearance you need. The 15/16 inch (48-13-0933) is too tight to push conduit through comfortably. For multiple NM cables through one hole, step up to 1-1/8 inch (48-13-1123).
4) Can a Minerallac 59736 Relton carbide-tipped bit be used instead of a Milwaukee ship auger bit for boring through wall studs?
No, they are built for different materials. The Milwaukee 48-13-1003 is a 1" x 6" ship auger bit intended for wood boring through dimensional lumber, wall studs, and floor or ceiling joists. The Minerallac 59736 is a 1/2" x 6" carbide-tipped rotary/percussion drill bit in the Relton series, a percussion-style bit for hammer drilling rather than an auger for framing lumber. If your run passes through wood framing, use the auger; if it passes through masonry or concrete, the carbide-tipped percussion bit is the one matched to that material.
5) What should an electrician use when the wiring run has to cross a concrete or block wall instead of wood framing?
The Milwaukee ship auger bits are dedicated wood boring bits, offered in 7/8", 15/16", 1", and 1-1/8" diameters at a 6" length for boring through framing members. For a masonry or concrete crossing, the Minerallac 59736 Relton 1/2" x 6" carbide-tipped rotary/percussion drill bit is the bit matched to that work. Many rough-in jobs carry both: the auger for the stud and joist penetrations and the percussion bit where the run meets concrete.
6) Ship auger or hole saw for running wire through studs?
For boring framing lumber, studs, and joists to route wire or cable, the ship auger is the right tool: it self-feeds, clears chips up the flute, and leaves a clean straight hole through solid wood. Hole saws are for larger openings and for cutting through sheet material or panel, not for repeated stud drilling. The Milwaukee 48-13 series ship augers run 7/8 to 1-1/8 inch, which is the range that matters for electrical and low-voltage rough-in.
7) Is the Lenox 12111-10DGHS diamond grit bit an alternative to a 1" ship auger for boring stud penetrations?
No. The Lenox 12111-10DGHS is a 5/8-inch diamond grit drill bit in the D/S-10Dg series, an abrasive-grit bit for hard, brittle materials, and its 5/8-inch diameter is smaller than any of the Milwaukee ship auger sizes, which run 7/8", 15/16", 1", and 1-1/8". For boring clean, straight holes through lumber to pull wire or cable, the Milwaukee ship auger bit is the correct style; the diamond grit bit is for a different class of material entirely.
8) If a 1" hole is larger than needed for a low-voltage cable pull, what is the closest smaller ship auger size?
The Milwaukee ship auger line steps down from 1" (48-13-1003) to 15/16" (48-13-0933) and 7/8" (48-13-0873), all at the same 6" bit length, so you can tighten the penetration size without changing bit style or losing the reach through a standard framing member. Going the other way, 1-1/8" (48-13-1123) gives extra clearance where conduit or a bundled pull needs it.
9) Is each Milwaukee 48-13 ship auger sold as a single bit or as a set?
Each diameter is a single dedicated bit, ordered by its own Milwaukee part number: 48-13-0873, 48-13-0933, 48-13-1003, or 48-13-1123. If you want to cover the whole 7/8 to 1-1/8 inch range on a rough-in, order the sizes separately.
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