Free shipping on orders overFree shipping over $250 Lower 48 states and DC. Excludes freight and oversize.

Socket 3/8" Drive 3/16 Hex Bit - Stanley Proto Industrial Tools

Part #: J49903/16

The Stanley Proto J49903/16 SKT 3/8DR 3/16 HEX BIT is an essential component for professional automotive and industrial technicians requiring reliable fastening and unfastening solutions. Designed for precision and durability, this hex bit socket provides consistent performance in demanding work environments, ensuring secure engagement with compatible fasteners.

Key Features

  • Professional-Grade Construction: Manufactured by Stanley Proto Industrial Tools, this hex bit is engineered from high-quality steel for enhanced strength and resistance to wear under rigorous use.
  • 3/8-inch Drive: Compatible with standard 3/8-inch drive ratchets, breaker bars, and torque wrenches, offering versatility across a wide range of tools.
  • 3/16-inch Hex Bit: Precisely machined 3/16-inch hex tip ensures a snug fit with hex fasteners, minimizing cam-out and preserving fastener integrity.
  • Corrosion Resistance: Features a finish designed to resist rust and corrosion, prolonging the life of the tool in various shop conditions.
  • Reliable Performance: Built to withstand the torque and stress of daily professional applications, providing consistent engagement and removal of hex-head fasteners.

Applications

This Stanley Proto hex bit socket is well-suited for a variety of tasks in professional settings. It is commonly used in automotive repair for working with engine components, brake systems, and transmission assemblies that utilize 3/16-inch hex fasteners. Industrial mechanics will find it valuable for machinery maintenance, equipment assembly, and repairs on production lines, where a durable and precise hex bit is critical for efficient and secure operations. Its robust design makes it ideal for repetitive use in challenging industrial and garage environments.

Only 1 left in stock - order soon

$14.97

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
Add to Cart:

This product was added to our catalog on Friday 10 July, 2026.

Similar Products

(image for) 1/2" Drive 5/16" Extra Long Hex Bit
1/2" Drive 5/16" Extra Long Hex Bit
Stanley Proto Industrial Tools J54415/16XL
Your Price: $20.89
(image for) Socket Hex Bit 1/4" Drive 3/32
Socket Hex Bit 1/4" Drive 3/32
Stanley Proto Industrial Tools 47703/32
Your Price: $12.56
List Price: $12.75
1% off
(image for) 3/8DR5/16HXPWR
3/8DR5/16HXPWR
Stanley Proto Industrial Tools 7210H
Your Price: $9.34
(image for) 1/2 HEX U/SKT
1/2 HEX U/SKT
Stanley Proto Industrial Tools 5275H
Your Price: $31.46
List Price: $40.21
22% off
(image for) Hex Bit Socket Set Metric 7 Pc 3/8" Drive
Hex Bit Socket Set Metric 7 Pc 3/8" Drive
Stanley Proto Industrial Tools J4990R7MM
Your Price: $131.26
(image for) Socket 3/8" Drive 1/4 Hex Bit
Socket 3/8" Drive 1/4 Hex Bit
Stanley Proto Industrial Tools 49901/4XL
Your Price: $16.47
(image for) Hex Bit Socket 1/4" Drive 7/64"
Hex Bit Socket 1/4" Drive 7/64"
Stanley Proto Industrial Tools J47707/64
Your Price: $13.41
(image for) Socket 3/8" Drive 5/16 Hex Bit
Socket 3/8" Drive 5/16 Hex Bit
Stanley Proto Industrial Tools J49905/16
Your Price: $14.70
(image for) Socket Hex Bit 1/4" Drive 1/8
Socket Hex Bit 1/4" Drive 1/8
Stanley Proto Industrial Tools 47701/8
Your Price: $13.63
(image for) Hex Bit Socket 3/8" Drive 10mm Short
Hex Bit Socket 3/8" Drive 10mm Short
Stanley Proto Industrial Tools J4990-10MST
Your Price: $15.13
(image for) Socket 3/8" Drive 4mm Hex Bit
Socket 3/8" Drive 4mm Hex Bit
Stanley Proto Industrial Tools J4990-4M
Your Price: $14.65
(image for) Socket 3/8" Drive 5/32 Hex Bit
Socket 3/8" Drive 5/32 Hex Bit
Stanley Proto Industrial Tools J49905/32
Your Price: $14.50