Perma Inserts

> Non-Locking Heavy Duty Insert


This PKNH428JMX is made of Chrome moly steel which is harder and stronger material then stainless steel, it is also Cadmium plated. We strongly recommend to use the Clinserts part number


Part Number PKNH428JMX :


Electrical Installation Tool: CLEPT1

Dimensions

Material
4140 Alloy
Amount of Clins
2
Internal thread
1/4-28
External thread
7/16-14
Shear Engagement
0.2842
Length (L)
0.37
Locking Depth (Z)
n/a


Installation Dimensions

Tap Drill D1
0.397
Countersink D3
0.447
Thread D2
7/16-14
Min. Depth T
0.43



Removal Dimensions

Drill Diameter
11/32
Drill Depth
n/a

Keenserts ® is a registered brand name from

Note: This Clinserts ® PKNH428JMX is also available in starter kit with installation tool and refill kit