Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
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

KNKL0632JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.1380-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNKL0832JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.1640-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNKDL1024JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.1900-24 UNJC-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKDL1032JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.1900-32 UNJF-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKDL420JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.2500-20 UNJC-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNKDL428JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.2500-28 UNJF-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNKL518JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.3125-18 UNJC-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNKL524JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.3125-24 UNJF-3B N/A 0.6250-18 UNF-2A N/A 0.5312
KNKDL616JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.3750-16 UNJC-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKDL624JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.3750-24 UNJF-3B N/A 0.7500-16 UNF-2A N/A 0.6562
KNKDL714JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.4375-14 UNJC-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKDL720JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.4375-20 UNJF-3B N/A 0.8750-14 UNF-2A N/A 0.7812
KNKDL813JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.5000-13 UNJC-3B N/A 1.0000-12 UNF-2A N/A 0.8437
KNKDL820JTX N/A A286 CRES per AMS 5731, AMS 5732, AMS 5734, or AMS 5737, 160 KSI Minimum Tensile Strength N/A Passivate per AMS 2700 N/A Yes N/A 0.5000-20 UNJF-3B N/A 1.0000-12 UNF-2A N/A 0.8437
KNK0256JSPDFL N/A 303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582 N/A Silver Plate per ASTM B 700 N/A No N/A 0.0860-56 UNJC-3B N/A 0.2500-28 UNF-2A N/A #8 (0.199)
KNK0440JSPDFL N/A 303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582 N/A Silver Plate per ASTM B 700 N/A No N/A 0.1120-40 UNJC-3B N/A 0.3125-24 UNF-2A N/A 0.2188
KNK0632JSPDFL N/A 303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582 N/A Silver Plate per ASTM B 700 N/A No N/A 0.1380-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNK0832JSPDFL N/A 303 CRES per AMS 5640 or ASTM-A-582, or 303SE per AMS 5640, AMS 5738 or ASTM-A-582 N/A Silver Plate per ASTM B 700 N/A No N/A 0.1640-32 UNJC-3B N/A 0.3750-24 UNF-2A N/A 0.2812
KNKD1024JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.1900-24 UNJC-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKD1032JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.1900-32 UNJF-3B N/A 0.4375-20 UNF-2A N/A 0.3437
KNKD420JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 160 KSI Minimum Tensile Strength N/A Silver Plate per ASTM B 700 N/A No N/A 0.2500-20 UNJC-3B N/A 0.5000-20 UNF-2A N/A 0.4062
KNKD428JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 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
KNK518JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 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
KNK524JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 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
KNKD616JSPDFL N/A Chrome Moly Steel, Type 4140 per MIL-S-5626 or Type 8740 per AMS 6322, 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
Unit of Measure
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