Description
Overview:
This ball is a genuine Milwaukee replacement part for selected M18 series impact drivers. Made from hardened steel for long service life, it sits within the driver mechanism to support smooth rotation, positive bit retention, and consistent torque transfer under load. It restores correct operation where the original ball has worn, corroded, or been lost during maintenance. Designed to meet Milwaukee's OEM specification (OEM No. 4931453236), it is an accurate fit for compatible tools and helps prevent premature wear of adjoining components. Ideal for trades and DIY users who rely on dependable, repeatable performance from their impact drivers, including the M18FID2 and M18ONEID2 models. As a Genuine Part, it offers precise geometry and finish for reliable integration with the tool's chuck and hammer assembly.
Key Features:
- Genuine Milwaukee part for assured fit and function (OEM No. 4931453236)
- Hardened steel construction for durability and wear resistance
- Precision spherical profile for smooth movement and torque transfer
- Supports correct bit retention and mechanism timing in M18 impact drivers
- Helps reduce vibration and uneven wear in the chuck/hammer assembly
- Simple to fit during routine servicing with standard workshop practices
- Restores original performance and reduces unplanned downtime
- Suitable for professional site use and regular DIY maintenance
Typical Applications:
Used during servicing or repair of Milwaukee impact drivers to replace a worn or missing internal ball. Typical scenarios include restoring secure bit holding, improving engagement of the drive mechanism, and maintaining smooth hammer action in repetitive fastening tasks on timber fixings, metal fabrications, brackets, anchors, and general construction assembly work.
Also known as:
Detent ball, chuck retention ball, bit-hold ball, hammer mechanism ball, steel bearing ball for 1/4-inch hex impact driver chucks (6.35 mm), internal mechanism ball for Milwaukee M18 impact drivers.
Fits Models:
M18BLID2, M18FID2, M18FPXP, M18ONEID2
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