Fairchild

RKK1/4-28 > Non-Locking Heavy Duty Insert


The Keensert RKK1/4-28 can be used in most applications. It has a thick Heavy Duty Threaded Wall to ensure that high pull-out strenghts are obtained. We strongly recommend to use the alternative Clinserts part number:

Manual Installation Tool: CLHT428

Nose Piece:
Pneumatic & Electrical Installation Tool:    
When installing 10 or more use: BTR397-2

Temperature Range:

Dimensions

Material
Carbon Steel
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
0.5



Removal Dimensions

Drill Diameter
11/32
Drill Depth
3/16

Keenserts ® is a registered brand name from

Note: This Clinserts ® RKK1/4-28 is also available in starter kit with installation tool and refill kit