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Floating Keenserts® are designed to compensate for radial misalignment from 0.015" (for 2-56) up to 0.040" (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 A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 140 KSI Minimum Tensile Strength

Finish Description

N/A Passivate per AMS 2700

Lube Description

N/A Dry Film Lubricant per AS5272, Type 1

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