Undersized Machine Key, Square End, Carbon Steel, Plain, 1-3/8 in L, 5/16 in Sq MPN:3003120312-1375
Undersized Machine Key, Square End, Carbon Steel, Plain, 1-3/8 in L, 5/16 in Sq
This undersized machine key is designed for use in applications where a smaller key is required, such as in precision machinery or where space is limited. Made from high-strength carbon steel, it provides reliable performance and durability. The square end design ensures a secure fit in corresponding keyways, while the plain finish prevents galling and wear. With a length of 1-3/8 inches and a square size of 5/16 inches, this machine key is suitable for use in a variety of industries, including aerospace, automotive, and industrial equipment manufacturing. Its compact size and high-strength material make it an ideal choice for demanding applications.
Top product features:
- Square end design
- Carbon steel construction
- Plain finish
Top product applications:
- Shaft alignment in industrial equipment
- Bearings and pulleys in conveyor systems
- Gearboxes and other machinery components
Machine Key,5/16x5/16x1-3/8",Form B
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 10 days
- Minimum Order Quantity: 77
- Unit of Measure: EA
- Package Length: 1.38
- Package Width: 0.31
- Package Height: 0.31
- Package Weight: 0.04
Product info last updated on February 20, 2026 8:53pm UTC
Category: Key Stock