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Data Table

Order No. Order by articlenumber Type Order by parameter d1 class 3B Order by parameter Thread type d1 Order by parameter d2 (mod.) class 2A Order by parameter Thread type d2 Order by parameter l1 Order by parameter l3 ±.030 Order by parameter Rem. drill depth Order by parameter l4 c'bore depth Order by parameter Inst. tool ref. TR1706 Order by parameter Inst. tap drill size* Order by parameter Inst. c'sink hole size +,010 -,000 Order by parameter Inst. thread tap size class 2B Order by parameter Inst. thread tap min. depth Order by parameter Rem. drill size Order by parameter
TR1667.81333 SL 10-24 UNC 7/16-14 UNC ,312 ,22 3/16 ,07 .0330 ,397 ,447 7/16-14 ,37 11/32
TR1667.81533 SL 10-32 UNF 7/16-14 UNC ,312 ,22 3/16 ,07 .0331 ,397 ,447 7/16-14 ,37 11/32
TR1667.81334 SL 1/4-20 UNC 1/2-13 UNC ,375 ,22 3/16 ,07 .0340 ,453 ,510 1/2-13 ,44 13/32
TR1667.80534 SL 1/4-28 UNF 1/2-13 UNC ,375 ,22 3/16 ,07 .0341 ,453 ,510 1/2-13 ,44 13/32
TR1667.81335 SL 5/16-18 UNC 9/16-12 UNC ,437 ,22 3/16 ,07 .0350 ,516 ,572 9/16-12 ,50 15/32
TR1667.81535 SL 5/16-24 UNF 9/16-12 UNC ,437 ,22 3/16 ,07 .0351 ,516 ,572 9/16-12 ,50 15/32
TR1667.81336 SL 3/8-16 UNC 5/8-11 UNC ,500 ,25 3/16 ,07 .0360 ,578 ,635 5/8-11 ,56 17/32
TR1667.81536 SL 3/8-24 UNF 5/8-11 UNC ,500 ,25 3/16 ,07 .0361 ,578 ,635 5/8-11 ,56 17/32
TR1667.81337 SL 7/16-14 UNC 11/16-11NS UNS ,625 ,28 3/16 ,10 .0370 ,641 ,700 11/16-11NS ,68 19/32
TR1667.81537 SL 7/16-20 UNF 11/16-11NS UNS ,625 ,28 3/16 ,10 .0371 ,641 ,700 11/16-11NS ,68 19/32
TR1667.81338 SL 1/2-13 UNC 13/16-16 UN ,688 ,28 3/16 ,10 .0380 ,766 ,822 13/16-16 ,75 23/32
TR1667.81538 SL 1/2-20 UNF 13/16-16 UN ,688 ,28 3/16 ,10 .0381 ,766 ,822 13/16-16 ,75 23/32
TR1667.81339 SL 9/16-12 UNC 7/8-14 UNF ,812 ,32 3/16 ,10 .0390 ,828 ,885 7/8-14 ,94 25/32
TR1667.81539 SL 9/16-18 UNF 7/8-14 UNF ,812 ,32 3/16 ,10 .0391 ,828 ,885 7/8-14 ,94 25/32
TR1667.81340 SL 5/8-11 UNC 1-12 UNF ,875 ,33 5/16 ,10 .0400 ,937 1,020 1-12 1,00 27/32
TR1667.81540 SL 5/8-18 UNF 1-12 UNF ,875 ,33 5/16 ,10 .0401 ,937 1,020 1-12 1,00 27/32
TR1667.81341 SL 3/4-10 UNC 1-1/14-12 UNF 1,250 ,49 5/16 ,10 .0410 1.187 1,270 1-1/4-12 1,44 1-3/32
TR1667.81541 SL 3/4-16 UNF 1-1/14-12 UNF 1,250 ,49 5/16 ,10 .0411 1.187 1,270 1-1/4-12 1,44 1-3/32
TR1667.81342 SL 7/8-9 UNC 1-3/8-12 UNF 1,375 ,49 5/16 ,10 .0420 1,312 1,395 1-3/8-12 1,56 1-7/32
TR1667.81542 SL 7/8-14 UNF 1-3/8-12 UNF 1,375 ,49 5/16 ,10 .0421 1,312 1,395 1-3/8-12 1,56 1-7/32
TR1667.81343 SL 1-8 UNC 1-1/2-12 UNF 1,500 ,55 5/16 ,10 .0430 1,437 1,520 1-1/2-12 1,68 1-11/32
TR1667.81543 SL 1-12 UNF 1-1/2-12 UNF 1,500 ,55 5/16 ,10 .0431 1,437 1,520 1-1/2-12 1,68 1-11/32

Technical & Application

Material

Inserts - 4140 alloy steel (160 KSI Min).
Keys - 302 CRES.
Cadmium plate (QQ-P-416 Type II, Cl. 2). Dry film lubrication on self-locking inserts only.

Technical Notes

All dimensions in inches.
Internal threads: to SAE AS8879.
General tolerances -
+/- 0,010 unless specified.
Tap drill hole tolerances -
0,234 to 0,500 = +0,004/-0,001
0,500 and over = +0,005/-0,001
SL = Self-Locking type, deliberate deformity in thread produces self-affect once installed (see technical diagram).

Tips

Order installation tool separately, as identified by "Inst. Tool ref." in table.

Important Notes

Four locking keys on internal threads 1/4 and over. Two locking keys on internal threads smaller than 1/4.
Installation (Inst.) drill size, counter sink, thread tap and thread depth as specified in table.
Removal (Rem.) drill size and drill depth as specified in table.
Perform to standards: MIL-I-45914A (MS51832)

CAD & Data Sheets

Product Datasheets

TR1667 Threaded Insert MS/NAS - Extra H Duty - Inch 465 kB pdf
Exta Heavy Duty 3 MB pdf
Threaded Inserts 27 MB pdf

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