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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Keenserts - Special Locking - Flat Beam Lock
Unit of Measure
Items Keenserts - Special Locking - Flat Beam Lock
TR26097-1032
Flat Beam™ Lock 		Keenserts - Special Locking - Flat Beam Lock
TR26097-428
Flat Beam™ Lock 		Keenserts - Special Locking - Flat Beam Lock
TR26097-524
Flat Beam™ Lock 		Keenserts - Special Locking - Flat Beam Lock
TR26097-624
Flat Beam™ Lock 		Keenserts - Special Locking - Flat Beam Lock
TR26097-720
Flat Beam™ Lock
Material N/A A286 per AMS 5731, AMS 5732, AMS 5734, AMS 5737 or Equivalent
Finish Description N/A Passivate per AMS 2700
Lube Description N/A Dry Film Lubricant per AS5272, Type 1
A Thread Size N/A 0.1900-32 UNJF-3B N/A 0.2500-28 UNJF-3B N/A 0.3125-24 UNJF-3B N/A 0.3750-24 UNJF-3B N/A 0.4375-20 UNJF-3B
B Thread Size N/A 0.3750-16 UNC-2A N/A 0.4375-14 UNC-2A N/A 0.5000-13 UNC-2A N/A 0.5625-12 UNC-2A N/A 0.6250-11 UNC-2A
"B" Thread Minor Diameter N/A 0.320-0.312 N/A 0.383-0.375 N/A 0.440-0.432 N/A 0.503-0.495 N/A 0.565-0.531
G ± 0.015 N/A 0.350 N/A 0.400 N/A 0.480 N/A 0.540 N/A 0.620
H ± 0.015 N/A 0.245 N/A 0.263 N/A 0.305 N/A 0.343 N/A 0.395
Tap Drill Diameter N/A 0.331-0.336 N/A 0.396-0.401 N/A 0.452-0.457 N/A 0.515-0.521 N/A 0.577-0.583
Min Tap Drill Depth N/A 0.420 N/A 0.470 N/A 0.550 N/A 0.610 N/A 0.690
C'Sink Diameter N/A 0.385-0.395 N/A 0.447-0.457 N/A 0.510-0.520 N/A 0.572-0.582 N/A 0.635-0.645
Tap Size N/A 0.3750-16 UNC-2B N/A 0.4375-14 UNC-2B N/A 0.5000-13 UNC-2B N/A 0.5625-12 UNC-2B N/A 0.6250-11 UNC-2B
Minimum Full Thread Depth N/A 0.290 N/A 0.310 N/A 0.350 N/A 0.390 N/A 0.440
Removal Drill Depth ±.010 N/A 0.1900 N/A 0.2200 N/A 0.2200 N/A 0.2200 N/A 0.2200
Kees N/A 420 CRES
Performance N/A 50 cycles seated at temperature
Removal Drill Size N/A 0.2810 N/A 0.3430 N/A 0.4060 N/A 0.4680 N/A 0.5310