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Lightweight Keenserts are available in a wide choice of sizes, lengths, and materials for virtually any requirement.

KN Series
Unit of Measure

Specifications

Insert Type

Lightweight Inserts

Material

A286 CRES per AMS 5737, 140 KSI Minimum Tensile Strength

Finish

Silver Plate per AMS 2410

Lubricant

None

Internal Thread Lock

Yes

Internal Thread Size

0.1900-24 UNJC-3B

External Thread Size

0.3125-18 UNC-2A

Modified Minor Diameter

0.256/0.249

Shear Engagement Area (in²) Ref.

0.0945

C DIA ±.005

0.196

C'Bore Depth ±.010

0.070

L ±.010

0.312

A (Ref.)

0.310

Tap Drill Diameter

0.276/0.271

C'Sink Diameter
+.010
-.000

0.323

Thread Tap Size

0.3125-18 UNC-2B

Thread Tap Depth Min

0.370

Installation Tool Part Number

TD 1024L

Removal Drill Depth ±.010

0.1563

Removal Drill Size

0.219