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Products in the Teknipart Exta Heavy Duty range:

Product TR1530, Threaded Insert - H Duty - Metric/Inch 303 stainless steel - industrial grade
Ind. Grade, Hv. Duty
metric/inch, 303 s/s
Product TR1535, Threaded Insert - H Duty - Metric/Inch C1215 carbon steel - industrial grade
Ind. Grade, Hv. Duty
metric/inch, steel
Product TR1566, Threaded Insert - Extra H Duty - Inch 303 stainless steel - industrial grade
Ind Grade Ex Hv Duty
inch, 303 s/s
Product TR1576, Threaded Insert - Extra H Duty - Inch C1215 carbon steel - industrial grade
Ind Grade Ex Hv Duty
inch, steel
Product TR1656, Threaded Insert MS/NAS - Extra H Duty - Inch 303 stainless steel - non-locking - MS/NAS grade
MS/NAS Gr Ex Hv Duty
inch, 303 s/s non-locking
Product TR1657, Threaded Insert MS/NAS - Extra H Duty - Inch 303 stainless steel - self-locking - MS/NAS grade
MS/NAS Gr Ex Hv Duty
inch, 303 s/s self-locking
Product TR1666, Threaded Insert MS/NAS - Extra H Duty - Inch 4140 steel - non-locking - MS/NAS grade
MS/NAS Gr Ex Hv Duty
inch, steel non-locking
Product TR1667, Threaded Insert MS/NAS - Extra H Duty - Inch 4140 steel - self-locking - MS/NAS grade
MS/NAS Gr Ex Hv Duty
inch, steel self-locking
TR1656 Threaded Insert MS/NAS - Extra H Duty - Inch 461 kB pdf
Exta Heavy Duty 3 MB pdf
Threaded Inserts 27 MB pdf
Threaded Insert MS/NAS - Extra H Duty - Inch
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Data Sheet
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TR1656 Threaded Insert MS/NAS - Extra H Duty - Inch

303 stainless steel - non-locking - MS/NAS grade

Threaded Insert MS/NAS - Extra H Duty - Inch

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 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 Rem. drill depth Order by parameter
TR1656.76333 NL 10-24 UNC 7/16-14 UNC ,312 ,07 .0330 ,397 ,447 7/16-14 ,37 11/32 3/16
TR1656.76533 NL 10-32 UNF 7/16-14 UNC ,312 ,07 .0331 ,397 ,447 7/16-14 ,37 11/32 3/16
TR1656.76334 NL 1/4-20 UNC 1/2-13 UNC ,375 ,07 .0340 ,453 ,510 1/2-13 ,44 13/32 3/16
TR1656.76534 NL 1/4-28 UNF 1/2-13 UNC ,375 ,07 .0341 ,453 ,510 1/2-13 ,44 13/32 3/16
TR1656.76335 NL 5/16-18 UNC 9/16-12 UNC ,437 ,07 .0350 ,516 ,572 9/16-12 ,50 15/32 3/16
TR1656.76535 NL 5/16-24 UNF 9/16-12 UNC ,437 ,07 .0351 ,516 ,572 9/16-12 ,50 15/32 3/16
TR1656.76336 NL 3/8-16 UNC 5/8-11 UNC ,500 ,07 .0360 ,578 ,635 5/8-11 ,56 17/32 3/16
TR1656.76536 NL 3/8-24 UNF 5/8-11 UNC ,500 ,07 .0361 ,578 ,635 5/8-11 ,56 17/32 3/16
TR1656.76337 NL 7/16-14 UNC 11/16-11NS UNS ,625 ,10 .0370 ,641 ,700 11/16-11NS ,68 19/32 3/16
TR1656.76537 NL 7/16-20 UNF 11/16-11NS UNS ,625 ,10 .0371 ,641 ,700 11/16-11NS ,68 19/32 3/16
TR1656.76338 NL 1/2-13 UNC 13/16-16 UNF ,688 ,10 .0380 ,766 ,822 13/16-16 ,75 23/32 3/16
TR1656.76538 NL 1/2-20 UNF 13/16-16 UNF ,688 ,10 .0381 ,766 ,822 13/16-16 ,75 23/32 3/16
TR1656.76339 NL 9/16-12 UNC 7/8-14 UNF ,812 ,10 .0390 ,828 ,885 7/8-14 ,94 25/32 3/16
TR1656.76539 NL 9/16-18 UNF 7/8-14 UNF ,812 ,10 .0391 ,828 ,885 7/8-14 ,94 25/32 3/16
TR1656.76340 NL 5/8-11 UNC 1-12 UNF ,875 ,10 .0400 ,937 1,020 1-12 1.00 27/32 5/16
TR1656.76540 NL 5/8-18 UNF 1-12 UNF ,875 ,10 .0401 ,937 1,020 1-12 1.00 27/32 5/16
TR1656.76341 NL 3/4-10 UNC 1-1/4-12 UNF 1,125 ,10 .0410 1,187 1,270 1-1/4-12 1,31 1-3/32 5/16
TR1656.76541 NL 3/4-16 UNF 1-1/4-12 UNF 1,125 ,10 .0411 1,187 1,270 1-1/4-12 1,31 1-3/32 5/16
TR1656.76342 NL 7/8-9 UNC 1-3/8-12 UNF 1,250 ,10 .0420 1,312 1,395 1-3/8-12 1,44 1-7/32 5/16
TR1656.76542 NL 7/8-14 UNF 1-3/8-12 UNF 1,250 ,10 .0421 1,312 1,395 1-3/8-12 1,44 1-7/32 5/16
TR1656.76343 NL 1-8 UNC 1-1/2-12 UNF 1,375 ,10 .0430 1,437 1,520 1-1/2-12 1,56 1-11/32 5/16
TR1656.76543 NL 1-12 UNF 1-1/2-12 UNF 1,375 ,10 .0431 1,437 1,520 1-1/2-12 1,56 1-11/32 5/16

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
NL = Non-Locking type.

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

TR1656 Threaded Insert MS/NAS - Extra H Duty - Inch 461 kB pdf
Exta Heavy Duty 3 MB pdf
Threaded Inserts 27 MB pdf

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