Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
MILWAUKEE Spline Core Bit: Spline Shank, 3 9/16 in Core Dia, 3 in Core Body Lg - One-Piece Spline-Shank Core Bits
MILWAUKEEOne-Piece Spline-Shank Core Bits

MILWAUKEE Spline Core Bit: Spline Shank, 3 9/16 in Core Dia, 3 in Core Body Lg

The MILWAUKEE Spline Core Bit is a one-piece spline-shank core bit with a 3.5625 in decimal equivalent (3 9/16 in core diameter), a 3 in core body length, and an 11 3/8 in overall length. It is designed for dry…

SKU 3G-OTH-185199

Brand
MILWAUKEE
Item
Spline Core Bit: Spline Shank, 3 9/16 in Core Dia, 3 in Core Body Lg
Category
One-Piece Spline-Shank Core Bits
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

MILWAUKEE
Manufacturer Part Number
48-20-5478
Overall Lg
11 3/8 in
Core Dia
3 9/16 in
Core Body Lg
3 in
Decimal Equivalent
3.5625 in
Centering Bit Included
No
Wet or Dry Application
Dry
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

MILWAUKEE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MILWAUKEE Spline Core Bit is a one-piece spline-shank core bit with a 3.5625 in decimal equivalent (3 9/16 in core diameter), a 3 in core body length, and an 11 3/8 in overall length. It is designed for dry application and does not include a centering bit.

Frequently Asked Questions

What is the MILWAUKEE Spline Core Bit used for?

The MILWAUKEE Spline Core Bit is used for dry drilling of clean, precise holes in masonry and concrete. It is commonly employed in construction and renovation for installing anchors, conduits, or plumbing lines. The spline shank provides secure drive in rotary hammers.

What are the specifications of the MILWAUKEE Spline Core Bit 48-20-5478?

The MILWAUKEE Spline Core Bit 48-20-5478 has a decimal equivalent of 3.5625 in, a core diameter of 3 9/16 in, a core body length of 3 in, and an overall length of 11 3/8 in. It is designed for dry application and does not include a centering bit.

Where to buy MILWAUKEE Spline Core Bit in worldwide?

You can source the MILWAUKEE Spline Core Bit 48-20-5478 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select the right MILWAUKEE Spline Core Bit for dry drilling?

Select a MILWAUKEE Spline Core Bit based on the required hole diameter and depth. For dry drilling, ensure the bit is rated for dry application, as this model is. Match the shank type to your rotary hammer. Always use proper dust control and personal protective equipment.

Used in

Common applications for MILWAUKEE
Electrical panel assembly — Milwaukee U-style crimping dies (49-16-U250) for 250 kcmil copper lugs
Automotive repair — Milwaukee 1/2 in drive impact sockets (49-66-6242) for removing lug nuts
Construction framing — Milwaukee hex bit sockets (45-34-1079) for driving hex-head screws
Industrial maintenance — Milwaukee cordless crimping tool kit (2678-22BG) for cable terminations
Tool repair — Milwaukee cord set (22-64-0121) for replacing damaged power cords on equipment

MILWAUKEE Products

3G Electric supplies MILWAUKEE one-piece spline-shank core bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
MILWAUKEE Core Center Bit: SDS Max Shank, 3 1/8 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5420). Key specifications — attr253668: 3.125; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE
MILWAUKEE Core Center Bit: SDS Max Shank, 3 1/8 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5420). Key specifications — attr253668: 3.125; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE Core Center Bit: SDS Max Shank, 2 5/8 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5412). Key specifications — attr253668: 2.625; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE
MILWAUKEE Core Center Bit: SDS Max Shank, 2 5/8 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5412). Key specifications — attr253668: 2.625; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE Core Center Bit: SDS Max Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5404). Key specifications — attr253668: 1.75; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE
MILWAUKEE Core Center Bit: SDS Max Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 11 3/8 in Overall Lg (MPN 48-20-5404). Key specifications — attr253668: 1.75; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE Core Center Bit: SDS Max Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5406). Key specifications — attr253668: 1.75; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE
MILWAUKEE Core Center Bit: SDS Max Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5406). Key specifications — attr253668: 1.75; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE Core Center Bit: SDS Max Shank, 2 5/8 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5414). Key specifications — attr253668: 2.625; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.
MILWAUKEE
MILWAUKEE Core Center Bit: SDS Max Shank, 2 5/8 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5414). Key specifications — attr253668: 2.625; attr253671: No; attr253680: Dry; attr277142: MILWAUKEE.

More from MILWAUKEE

View all MILWAUKEE parts →
MILWAUKEE Spline Core Bit: Spline Shank, 6 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5490). Key specifications — Decimal Equivalent: 6.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 6 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5490). Key specifications — Decimal Equivalent: 6.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 5 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5488). Key specifications — Decimal Equivalent: 5.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 5 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5488). Key specifications — Decimal Equivalent: 5.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5484). Key specifications — Decimal Equivalent: 5.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5484). Key specifications — Decimal Equivalent: 5.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 3 1/8 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5472). Key specifications — Decimal Equivalent: 3.1250 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 3 1/8 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5472). Key specifications — Decimal Equivalent: 3.1250 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 1 1/2 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5452). Key specifications — Decimal Equivalent: 1.5; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 1 1/2 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5452). Key specifications — Decimal Equivalent: 1.5; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5456). Key specifications — Decimal Equivalent: 1.7500 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 1 3/4 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5456). Key specifications — Decimal Equivalent: 1.7500 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE Spline Core Bit: Spline Shank, 3 35/64 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5480). Key specifications — Decimal Equivalent: 4.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.
MILWAUKEE
MILWAUKEE Spline Core Bit: Spline Shank, 3 35/64 in Core Dia, 3 in Core Body Lg, 22 in Overall Lg (MPN 48-20-5480). Key specifications — Decimal Equivalent: 4.0000 in; Centering Bit Included: No; Wet or Dry Application: Dry; Brand: MILWAUKEE.