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3G Electric
PROTO J5441R8MM 25-Piece Hex Bit Socket Set, 1/2 in Drive, 11-19 mm - Hex Bit Socket Sets
PROTOHex Bit Socket Sets

PROTO J5441R8MM 25-Piece Hex Bit Socket Set, 1/2 in Drive, 11-19 mm

The PROTO Socket Bit Set: 1 (SKU J5441R8MM, MPN J5441R8MM) is a 25-piece hex bit socket set with a 1/2 in drive size. It includes 8 pieces covering a tip size range of 11 mm to 19 mm and features a fixed insert design.

SKU 3G-OTH-310738

Brand
PROTO
Item
J5441R8MM 25-Piece Hex Bit Socket Set, 1/2 in Drive, 11-19 mm
Part Number
J5441R8MM
Category
Hex Bit Socket Sets
Available to Order
Also known as:J5441R8MMPROTO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J5441R8MM
Type
- 25 Pieces
Pieces
8
Drive Size
1/2 in
Tip Size Range
11 mm to 19 mm

Technical Documents

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

Product Description

The PROTO Socket Bit Set: 1 (SKU J5441R8MM, MPN J5441R8MM) is a 25-piece hex bit socket set with a 1/2 in drive size. It includes 8 pieces covering a tip size range of 11 mm to 19 mm and features a fixed insert design.

Frequently Asked Questions

What is the PROTO J5441R8MM socket bit set used for?

The PROTO J5441R8MM socket bit set is used for driving hex fasteners in industrial maintenance, automotive repair, and assembly applications. Its 1/2 in drive and 11 mm to 19 mm tip range suit heavy-duty bolting tasks where precise torque and bit retention are required.

What are the specifications of the PROTO J5441R8MM socket bit set?

The PROTO J5441R8MM is a 25-piece hex bit socket set with a 1/2 in drive size. It includes 8 pieces covering a tip size range of 11 mm to 19 mm. The set features a fixed insert design and is manufactured by PROTO under part number J5441R8MM.

Where to buy the PROTO J5441R8MM socket bit set worldwide?

You can order the PROTO J5441R8MM socket bit set from 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 PROTO hex bit socket set?

To select the right PROTO hex bit socket set, match the drive size (e.g., 1/2 in) to your ratchet or torque wrench, and ensure the tip size range (e.g., 11 mm to 19 mm) covers your fastener sizes. The fixed insert design provides secure bit retention for repeated use.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO hex bit socket sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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