We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

MILWAUKEE Service Chuck 1/2" Cap 42mm OD Key: For - Drill Chucks
MILWAUKEEDrill Chucks

MILWAUKEE Service Chuck 1/2" Cap 42mm OD Key: For

The MILWAUKEE Service Chuck 1/2" Cap 42mm OD Key (MPN 48-66-1355) is a drill chuck designed for use with models 2FGD3, 38D236, 3LJ24, 3TB72, 4Z371, 6Z320, 6Z324, and 6Z326. It features a 1/2-inch capacity and a 42mm…

SKU 3G-OTH-285763

Also listed as: 48661355 · 48 66 1355

Brand
MILWAUKEE
Item
Service Chuck 1/2" Cap 42mm OD Key: For
Category
Drill Chucks
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MILWAUKEE
Manufacturer Part Number
48-66-1355
Type
2FGD3/38D236/3LJ24/3TB72/4Z371/6Z320/6Z324/6Z326

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 Service Chuck 1/2" Cap 42mm OD Key (MPN 48-66-1355) is a drill chuck designed for use with models 2FGD3, 38D236, 3LJ24, 3TB72, 4Z371, 6Z320, 6Z324, and 6Z326. It features a 1/2-inch capacity and a 42mm outer diameter, with a keyed operation. This service chuck is compatible with MILWAUKEE tool models 5380-21 and 6Z326.

Frequently Asked Questions

What is the MILWAUKEE Service Chuck 48-66-1355 used for?

The MILWAUKEE Service Chuck 48-66-1355 is a keyed drill chuck used to hold drill bits in rotary tools. It is designed for replacement on MILWAUKEE models 2FGD3, 38D236, 3LJ24, 3TB72, 4Z371, 6Z320, 6Z324, and 6Z326, including the 5380-21 drill.

What are the specifications of the MILWAUKEE Service Chuck 48-66-1355?

The MILWAUKEE Service Chuck 48-66-1355 has a 1/2-inch capacity and a 42mm outer diameter. It is a keyed chuck with a service design, compatible with MILWAUKEE models 5380-21 and 6Z326. The manufacturer part number is 48-66-1355.

Where to buy the MILWAUKEE Service Chuck 48-66-1355 worldwide?

3G Electric supplies the MILWAUKEE Service Chuck 48-66-1355 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the MILWAUKEE Service Chuck 48-66-1355?

To install the MILWAUKEE Service Chuck 48-66-1355, first ensure the tool is unplugged. Remove the old chuck using a chuck key or spindle lock. Clean the threads, then hand-tighten the new chuck onto the spindle. Secure it with the key and test operation.

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 drill chucks. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Keyless replacement chuck for Milwaukee drills. Enables tool-free bit changes, suitable for drilling in wood, metal, and masonry. Direct replacement part for compatible models
MILWAUKEE
Keyless replacement chuck for Milwaukee drills. Enables tool-free bit changes, suitable for drilling in wood, metal, and masonry. Direct replacement part for compatible models
MILWAUKEE Drill Chuck: 1/2"-20, 5/64 in to 1/2 in Capacity (MPN 48-66-5185)
MILWAUKEE
MILWAUKEE Drill Chuck: 1/2"-20, 5/64 in to 1/2 in Capacity (MPN 48-66-5185)
Thread-mount keyless drill chuck with 1/2"-20 thread for mounting on compatible drill spindles. Capacity range from 5/64 in to 1/2 in, enabling secure holding of various drill bit sizes for drilling operations in metal, wood, and composites
MILWAUKEE
Thread-mount keyless drill chuck with 1/2"-20 thread for mounting on compatible drill spindles. Capacity range from 5/64 in to 1/2 in, enabling secure holding of various drill bit sizes for drilling operations in metal, wood, and composites
MILWAUKEE Chuck Key Holder: For Use With 48-66-3080/48-66-3240/48-66-3280/48-66-3480 (MPN 48-66-4040)
MILWAUKEE
MILWAUKEE Chuck Key Holder: For Use With 48-66-3080/48-66-3240/48-66-3280/48-66-3480 (MPN 48-66-4040)
MILWAUKEE Chuck Key Holder: For Use With 48-66-3200 (MPN 48-66-4080)
MILWAUKEE
MILWAUKEE Chuck Key Holder: For Use With 48-66-3200 (MPN 48-66-4080)
Thread-mount keyed drill chuck for portable power tools. Capacity range of 5/64 in to 1/2 in. Uses key models 48-66-3280 and 48-66-4040. Suitable for drilling in metal, wood, and plastic during construction, fabrication, and maintenance tasks
MILWAUKEE
Thread-mount keyed drill chuck for portable power tools. Capacity range of 5/64 in to 1/2 in. Uses key models 48-66-3280 and 48-66-4040. Suitable for drilling in metal, wood, and plastic during construction, fabrication, and maintenance tasks

More from MILWAUKEE

View all MILWAUKEE parts
Keyless drill chuck with 1/2" carbide tip for tool-free bit changes. Suitable for drilling in metal, wood, and masonry applications
MILWAUKEE
Keyless drill chuck with 1/2" carbide tip for tool-free bit changes. Suitable for drilling in metal, wood, and masonry applications
MILWAUKEE
MILWAUKEE
This 1/2-inch key drive drill chuck from MILWAUKEE is designed for key-driven tightening to securely hold drill bits in rotary tools. It provides a firm grip for drilling into metal, wood, and masonry. Commonly used in industrial maintenance, construction, and fabrication applications
MILWAUKEE Chuck: For 2602-9 (MPN 42-66-0785)
MILWAUKEE
MILWAUKEE Chuck: For 2602-9 (MPN 42-66-0785)
MILWAUKEE
MILWAUKEE
MILWAUKEE Clutch Chuck Assembly: For 6742-59 (MPN 42-66-0715)
MILWAUKEE Key,Chuck (MPN 48-66-2110)
MILWAUKEE
MILWAUKEE Key,Chuck (MPN 48-66-2110)