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

MILWAUKEE Socket Extension: SAE, 3/8 in Drive Size, 20 mm Socket Size, 6-Point, Deep - Anti-Roll Hand Sockets
MILWAUKEEAnti-Roll Hand Sockets

MILWAUKEE Socket Extension: SAE, 3/8 in Drive Size, 20 mm Socket Size, 6-Point, Deep

The MILWAUKEE Socket Extension: SAE is an anti-roll hand socket with a 3/8 in drive size, 20 mm socket size, 6-point deep design, and chrome finish (MPN 45-34-8040).

SKU 3G-OTH-314428

Also listed as: 45348040 · 45 34 8040

Brand
MILWAUKEE
Item
Socket Extension: SAE, 3/8 in Drive Size, 20 mm Socket Size, 6-Point, Deep
Category
Anti-Roll Hand Sockets
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MILWAUKEE
Manufacturer Part Number
45-34-8040
Type
6-Point, Deep, Chrome
Socket Size
20 mm
Drive Size
3/8 in

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 Socket Extension: SAE is an anti-roll hand socket with a 3/8 in drive size, 20 mm socket size, 6-point deep design, and chrome finish (MPN 45-34-8040).

Frequently Asked Questions

What is the MILWAUKEE Socket Extension 45-34-8040 used for?

The MILWAUKEE Socket Extension 45-34-8040 is used for turning fasteners in tight or recessed areas where a standard socket cannot reach. Its 3/8 in drive and 20 mm deep 6-point design provides secure grip on hex nuts and bolts, common in automotive, industrial, and mechanical maintenance applications.

What are the specifications of the MILWAUKEE 45-34-8040 socket extension?

The MILWAUKEE 45-34-8040 is a 6-point, deep, chrome socket extension with a 3/8 in drive size and 20 mm socket size. It is part of the Anti-Roll Hand Sockets line, designed to prevent rolling on sloped surfaces. The chrome finish resists corrosion and wear.

Where to buy MILWAUKEE 45-34-8040 worldwide?

You can source the MILWAUKEE 45-34-8040 socket extension 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; we supply genuine MILWAUKEE tools to procurement teams and engineers globally.

How to select the right MILWAUKEE socket extension for my application?

To select the correct MILWAUKEE socket extension, match the drive size (3/8 in) to your ratchet or torque wrench, and the socket size (20 mm) to the fastener. For recessed bolts, choose a deep design like the 45-34-8040. Ensure the 6-point profile fits hex fasteners securely to avoid rounding.

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 anti-roll hand sockets. 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
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 11/32 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8030)
MILWAUKEE
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 11/32 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8030)
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 21 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8041)
MILWAUKEE
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 21 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8041)
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 22 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8042)
MILWAUKEE
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 22 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8042)
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 24 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8044)
MILWAUKEE
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 24 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8044)
MILWAUKEE Socket Extension: SAE, 1/2 in Drive Size, 13/16 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-2105)
MILWAUKEE
MILWAUKEE Socket Extension: SAE, 1/2 in Drive Size, 13/16 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-2105)
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 23 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8043)
MILWAUKEE
MILWAUKEE Socket Extension: Metric, 3/8 in Drive Size, 23 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-8043)

More from MILWAUKEE

View all MILWAUKEE parts
MILWAUKEE Standard Socket: Metric, 3/8 in Drive Size, 9 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9079)
MILWAUKEE
MILWAUKEE Standard Socket: Metric, 3/8 in Drive Size, 9 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9079)
MILWAUKEE Standard Socket: SAE, 1/4 in Drive Size, 9/32 in Socket Size, 6-Point, Std, Chrome (MPN 45-34-9004)
MILWAUKEE
MILWAUKEE Standard Socket: SAE, 1/4 in Drive Size, 9/32 in Socket Size, 6-Point, Std, Chrome (MPN 45-34-9004)
MILWAUKEE Standard Socket: Metric, 1/4 in Drive Size, 11 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9037)
MILWAUKEE
MILWAUKEE Standard Socket: Metric, 1/4 in Drive Size, 11 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9037)
MILWAUKEE Deep Well Socket: Metric, 1/4 in Drive Size, 12 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9050)
MILWAUKEE
MILWAUKEE Deep Well Socket: Metric, 1/4 in Drive Size, 12 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9050)
MILWAUKEE Deep Well Socket: SAE, 1/4 in Drive Size, 7/32 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9013)
MILWAUKEE
MILWAUKEE Deep Well Socket: SAE, 1/4 in Drive Size, 7/32 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9013)
MILWAUKEE Deep Well Socket: Metric, 1/2 in Drive Size, 10 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9134)
MILWAUKEE
MILWAUKEE Deep Well Socket: Metric, 1/2 in Drive Size, 10 mm Socket Size, 6-Point, Deep, Chrome (MPN 45-34-9134)
MILWAUKEE Standard Socket: Metric, 1/2 in Drive Size, 18 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9119)
MILWAUKEE
MILWAUKEE Standard Socket: Metric, 1/2 in Drive Size, 18 mm Socket Size, 6-Point, Std, Chrome (MPN 45-34-9119)
MILWAUKEE Deep Well Socket: SAE, 3/8 in Drive Size, 3/4 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-7500)
MILWAUKEE
MILWAUKEE Deep Well Socket: SAE, 3/8 in Drive Size, 3/4 in Socket Size, 6-Point, Deep, Chrome (MPN 45-34-7500)