Product Description
Milwaukee 3/8 in. Drive Universal Joint
Model Number: 42-04-9103
The Milwaukee 42-04-9103 is a 3/8 in. Drive Universal Joint — a flexible drive coupling that allows a socket to be driven at an angle to the ratchet or extension for accessing fasteners in positions where a straight ratchet and socket cannot reach due to surrounding engine components, chassis structure, equipment housings, and mechanical assemblies blocking the straight-line access path. The universal joint flexes at the coupling to accommodate the angle between the ratchet and socket axes while transmitting rotational torque to drive the fastener — enabling fastener removal and installation in the recessed, obstructed, and angled positions that define the daily challenges of automotive service, HVAC equipment, and mechanical maintenance work where components must be removed without moving the surrounding assembly. The 3/8 in. drive is the most versatile standard socket drive size — covering the mid-range fastener sizes across automotive, HVAC, and general equipment maintenance that represent the majority of practical service applications.
Milwaukee builds the 3/8 in. universal joint from quality steel for the torque transmission and repeated flexing cycles of professional daily use in automotive and equipment service — the pivot mechanism must maintain accurate angular engagement and ball-detent socket retention through sustained professional use without developing the slop that reduces drive efficiency and socket retention at angles. Available in 1/4 in. (42-04-9102) for small fastener applications and 1/2 in. drive for heavy-duty structural fastening. See Milwaukee's complete drive tool socket lineup for all available universal joints, extensions, and accessories.
Features
- Provides angular drive for fasteners blocked by engine and equipment components
- 3/8 in. drive — most versatile size for mid-range automotive and equipment service
- Quality steel for torque transmission and pivot durability in professional daily use
- Ball-detent socket retention maintains engagement at drive angles during work
- Available in 1/4 in. and 1/2 in. drive for full coverage of fastener size range
Specifications
- Drive: 3/8 in. Square
- Type: Universal Joint (Flex Joint)
- Application: Angular Drive Access for Recessed Fasteners in Automotive and Equipment Service
Includes
- (1) Milwaukee 42-04-9103 3/8 in. Drive Universal Joint
