Howmet Fastening Systems
Howmet Fastening Systems
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Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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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
Floating Keensert
Unit of Measure
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Item #

Material

Finish Description

Internal Thread Lock

Internal Thread Size

External Thread Size

Removal Drill Size

KNKD428JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.2500-28 UNJF-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNK518JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.3125-18 UNJC-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNK524JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.3125-24 UNJF-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNKD616JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.3750-16 UNJC-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKD624JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.3750-24 UNJF-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKD714JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.4375-14 UNJC-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKD720JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.4375-20 UNJF-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKD813JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.5000-13 UNJC-3B N/A 1.0000-12 UNF-2A N/A 0.8437
KNKD820JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.5000-20 UNJF-3B N/A 1.0000-12 UNF-2A N/A 0.8437
KNKL0256JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.0860-56 UNJC-3B N/A 0.2500-28 UNF-2A N/A #8 (0.199)
KNKL0440JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.1120-40 UNJC-3B N/A 0.3125-24 UNF-2A N/A 0.2188
KNKL0632JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.1380-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNKL0832JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.1640-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNKDL1024JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.1900-24 UNJC-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKDL1032JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.1900-32 UNJF-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKDL420JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.2500-20 UNJC-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNKDL428JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.2500-28 UNJF-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNKL518JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.3125-18 UNJC-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNKL524JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.3125-24 UNJF-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNKDL616JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.3750-16 UNJC-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKDL624JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.3750-24 UNJF-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKDL714JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.4375-14 UNJC-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKDL720JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.4375-20 UNJF-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKDL813JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.5000-13 UNJC-3B N/A 1.0000-12 UNF-2A N/A 0.8437
KNKDL820JTXSP N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A Yes N/A 0.5000-20 UNJF-3B N/A 1.0000-12 UNF-2A N/A 0.8437
Unit of Measure
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