Acme Keylocking Insert
4140 Alloy Steel Metric
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Keylocking Threaded Inserts Request for Quote

Insert – 4140 Alloy Steel (160 KSI Min)
Keys- 302 CRES
Finish: Cadmium Plate (QQ-P-416 Type II, Cl. 2)
Tolerances: ±.25 mm unless specified otherwise
Internal Threads: Per Fed Std H28/21, MJ Form
Dimensions: All dimensions below are in millimeters
Keys: Inserts with an internal thread size of M6 and smaller are furnished with 2 locking keys. Larger sizes have 4 locking keys.
Material Identification Mark: Two lines on top of insert
Lubrication: Dry Film Lube on Self-Locking Inserts only
Performance: NA0148

Acme Part No.: 217-078351 MS Number: NA0149-050
Material: 4140 Alloy Steel Locking?: Non-Locking
Internal Thread: M5 x 0.8 External Thread: M8 x 1.25
Length: 8 mm Max Distance to Locking Part: 3.73
Bore Depth: 1.27  
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