Undersized Machine Key, Square End, Carbon Steel, Plain, 4-1/8 in L, 3/16 in Sq MPN:3001870187-4125
Undersized Machine Key, Square End, Carbon Steel, Plain, 4-1/8 in L, 3/16 in Sq
This undersized machine key is a versatile component designed for applications requiring precise fit and strength. Made from durable carbon steel, it features a plain finish and square end for secure engagement with other machine components. With a length of 4-1/8 inches and a square size of 3/16 inches, it can be used in a variety of industries including manufacturing, aerospace, and automotive. Its compact size and high-strength material make it an ideal choice for applications where space is limited and reliability is crucial, such as in gearboxes, transmissions, and other mechanical systems.
Top product features:
- Square end design
- Plain finish
- Carbon steel construction
Top product applications:
- Bearings and Shafts
- Gears and Sprockets
- Gearboxes and Transmissions
Machine Key,3/16x3/16x4-1/8",Form B
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 3 days
- Minimum Order Quantity: 100
- Unit of Measure: EA
- Package Length: 4.13
- Package Width: 0.19
- Package Height: 0.19
- Package Weight: 0.04
Product info last updated on February 2, 2026 7:46am UTC
Category: Key Stock