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Floating Keenserts® are designed to compensate for misalignment with 0.015" of float (for 2-56) up to 0.040" of float (for #10 and larger sizes).  The Keensert® is supplied as a one-piece unit.  Ideal for use where mating panel holes may be off-center. 

KNK, KNKD Series
Unit of Measure

Insert Type

 N/A Floating

Material

 N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 125 KSI Minimum Tensile Strength

Finish Description

 N/A Silver Plate per ASTM B 700

Lube Description

 N/A None

Internal Thread Lock

 N/A Yes

Internal Thread Size

 N/A 0.2500-28 UNJF-3B

External Thread Size

 N/A 0.5000-20 UNF-2A

Modified Minor Dia ±.004

 N/A 0.458

Shear Engagement Area (in²) Ref.

 N/A 0.2520

L ± .015

 N/A 0.400

Min C-C

 N/A 0.040

Internal Thread Length ±.010

 N/A 0.25

Dist. To 1st Thd. (Approx.)

 N/A 0.15

Tap Drill Diameter

 N/A 0.472 / 0.467

C'Sink Diameter
+.010
-.000

 N/A 0.510

Thread Tap Size

 N/A 0.5000-20 UNF-2B

Thread Tap Min. Depth Full Thread

 N/A 0.39

Tool Part Number

 N/A TK 4

Removal Drill Depth ±.010

 N/A 0.1562

Removal Drill Size

 N/A 0.4062