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Data Table

Order No. Order by articlenumber Type Order by parameter d1 3B Order by parameter Thread type d1 Order by parameter d2 (mod.) 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 Install thread tap min. depth Order by parameter Rem. drill size Order by parameter
TR1657.77333 SL 10-24 UNC 7/16-14 UNC ,312 ,22 3/16 ,07 .0330 ,397 ,447 7/16-14 ,37 11/32
TR1657.77533 SL 10-32 UNF 7/16-14 UNC ,312 ,22 3/16 ,07 .0331 ,397 ,447 7/16-14 ,37 11/32
TR1657.77334 SL 1/4-20 UNC 1/2-13 UNC ,375 ,22 3/16 ,07 .0340 ,453 ,510 1/2-13 ,44 13/32
TR1657.77534 SL 1/4-28 UNF 1/2-13 UNC ,375 ,22 3/16 ,07 .0341 ,453 ,510 1/2-13 ,44 13/32
TR1657.77335 SL 5/16-18 UNC 9/16-12 UNC ,437 ,22 3/16 ,07 .0350 ,516 ,572 9/16-12 ,50 15/32
TR1657.77535 SL 5/16-24 UNF 9/16-12 UNC ,437 ,22 3/16 ,07 .0351 ,516 ,572 9/16-12 ,50 15/32
TR1657.77336 SL 3/8-16 UNC 5/8-11 UNC ,500 ,25 3/16 ,07 .0360 ,578 ,635 5/8-11 ,56 17/32
TR1657.77536 SL 3/8-24 UNF 5/8-11 UNC ,500 ,25 3/16 ,07 .0361 ,578 ,635 5/8-11 ,56 17/32
TR1657.77337 SL 7/16-14 UNC 11/16-11NS UNS ,625 ,28 3/16 ,10 .0370 ,641 ,700 11/16-11NS ,68 19/32
TR1657.77537 SL 7/16-20 UNF 11/16-11NS UNS ,625 ,28 3/16 ,10 .0371 ,641 ,700 11/16-11NS ,68 19/32
TR1657.77338 SL 1/2-13 UNC 13/16-16 UNF ,688 ,28 3/16 ,10 .0380 ,766 ,822 13/16-16 ,75 23/32
TR1657.77538 SL 1/2-20 UNF 13/16-16 UNF ,688 ,28 3/16 ,10 .0381 ,766 ,822 13/16-16 ,75 23/32
TR1657.77339 SL 9/16-12 UNC 7/8-14 UNF ,812 ,32 3/16 ,10 .0390 ,828 ,885 7/8-14 ,94 25/32
TR1657.77539 SL 9/16-18 UNF 7/8-14 UNF ,812 ,32 3/16 ,10 .0391 ,828 ,885 7/8-14 ,94 25/32
TR1657.77340 SL 5/8-11 UNC 1-12 UNF ,875 ,33 5/16 ,10 .0400 ,937 1,020 1-12 1,00 27/32
TR1657.77540 SL 5/8-18 UNF 1-12 UNF ,875 ,33 5/16 ,10 .0401 ,937 1,020 1-12 1,00 27/32
TR1657.77341 SL 3/4-10 UNC 1-1/4-12 UNF 1,250 ,49 5/16 ,10 .0410 1,187 1,270 1-1/4-12 1,44 1-3/32
TR1657.77541 SL 3/4-16 UNF 1-1/4-12 UNF 1,250 ,49 5/16 ,10 .0411 1,187 1,270 1-1/4-12 1,44 1-3/32
TR1657.77342 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
TR1657.77542 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
TR1657.77343 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
TR1657.77543 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 - 303 CRES.
Keys - 302 CRES.
Passivated. 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

TR1657 Threaded Insert MS/NAS - Extra H Duty - Inch 463 kB pdf
Exta Heavy Duty 3 MB pdf
Threaded Inserts 27 MB pdf

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