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Products in the Teknipart Heavy Duty range:

Product TR1525, Threaded Insert - Metric heavy duty - carbon steel
Threaded Insert Metr
heavy duty - carbon steel
Product TR1535, Threaded Insert - Metric - Inch heavy duty - carbon steel
Insert - Metric - Inch
heavy duty - carbon steel
Product TR1575, Threaded Insert - Inch heavy duty - carbon steel
Threaded Insert - Inch
heavy duty - carbon steel
Product TR1576, Threaded Insert - Inch extra heavy duty - carbon steel
Threaded Insert - Inch
heavy duty carbon steel
Product TR1610, Threaded Insert MS/NAS - H Duty - Metric 4140 steel - non-locking - MS/NAS grade
MS/NAS Grade H. Duty
metric, steel non-locking
Product TR1611, Threaded Insert MS/NAS - H Duty - Metric 4140 steel - self-locking - MS/NAS grade
MS/NAS Grade H. Duty
metric, steel self-locking
Product TR1664, Threaded Insert MS/NAS - H Duty - Inch 4140 steel - non-locking - MS/NAS grade
MS/NAS Grade Hv Duty
inch, steel non-locking
Product TR1665, Threaded Insert MS/NAS - H Duty - Inch 4140 steel - self-locking - MS/NAS grade
MS/NAS Grade Hv Duty
inch, steel self-locking
TR1665 Threaded Insert MS/NAS - H Duty - Inch 330 kB pdf
Heavy Duty 1 MB pdf
Threaded Inserts Steel 4 MB pdf
Threaded Inserts 15 MB pdf
Threaded Insert MS/NAS - H Duty - Inch
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Data Sheet
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TR1665 Threaded Insert MS/NAS - H Duty - Inch

4140 steel - self-locking - MS/NAS grade, Material: Steel

Threaded Insert MS/NAS - H Duty - Inch

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
±0.030 Order by parameter		 l4 c'bore depth Order by parameter Inst. c'sink hole size
+0.010|-0.000 Order by parameter		 Inst. tap drill size Order by parameter Inst. thread tap depth
min. Order by parameter		 Inst. thread tap size
class 2B Order by parameter		 Inst. tool ref. TR1705 Order by parameter Removal drill size Order by parameter Removal drill depth Order by parameter
TR1665.81300 SL 8-32 UNC 5/16-18 UNF .312 .22 .04 .323 .272 .37 5/16-18 .0000 7/32 1/8
TR1665.81301 SL 10-24 UNC 3/8-16 UNC .312 .22 .07 .385 .332 .37 3/8-16 .0010 9/32 1/8
TR1665.81501 SL 10-32 UNF 3/8-16 UNC .312 .22 .07 .385 .332 .37 3/8-16 .0011 9/32 1/8
TR1665.81302 SL 1/4-20 UNC 7/16-14 UNC .375 .22 .07 .447 .397 .43 7/16-14 .0020 11/32 3/16
TR1665.81502 SL 1/4-28 UNF 7/16-14 UNC .375 .22 .07 .447 .397 .43 7/16-14 .0021 11/32 3/16
TR1665.81303 SL 5/16-18 UNC 1/2-13 UNC .437 .22 .07 .510 .453 .50 1/2-13 .0030 13/32 3/16
TR1665.81503 SL 5/16-24 UNF 1/2-13 UNC .437 .22 .07 .510 .453 .50 1/2-13 .0031 13/32 3/16
TR1665.81304 SL 3/8-16 UNC 9/16-12 UNC .500 .25 .07 .572 .516 .56 9/16-12 .0040 15/32 3/16
TR1665.81504 SL 3/8-24 UNF 9/16-12 UNC .500 .25 .07 .572 .516 .56 9/16-12 .0041 15/32 3/16
TR1665.81305 SL 7/16-14 UNC 5/8-11 UNC .625 .28 .10 .635 .578 .68 5/8-11 .0050 17/32 3/16
TR1665.81505 SL 7/16-20 UNF 5/8-11 UNC .625 .28 .10 .635 .578 .68 5/8-11 .0051 17/32 3/16
TR1665.81306 SL 1/2-13 UNC 11/16-11NS UNS .688 .28 .10 .700 .641 .75 11/16-11NS .0060 19/32 3/16
TR1665.81506 SL 1/2-20 UNF 11/16-11NS UNS .688 .28 .10 .700 .641 .75 11/16-11NS .0061 19/32 3/16
TR1665.81307 SL 9/16-12 UNC 13/16-16 UN .812 .32 .10 .822 .766 .94 13/16-16 .0070 23/32 3/16
TR1665.81507 SL 9/16-12 UNF 13/16-16 UN .812 .32 .10 .885 .766 .94 13/16-16 .0071 23/32 3/16
TR1665.81308 SL 5/8-11 UNC 7/8-14 UNF .875 .33 .10 .885 .828 1.00 7/8-14 .0080 25/32 3/16
TR1665.81508 SL 5/8-18 UNF 7/8-14 UNF .875 .33 .10 .885 .828 1.00 7/8-14 .0081 25/32 3/16
TR1665.81309 SL 3/4-10 UNC 1-1/8-12 UNF 1.250 .49 .10 1.145 1.062 1.44 1-1/8-12 .0090 31/32 5/16
TR1665.81509 SL 3/4-16 UNF 1-1/8-12 UNF 1.250 .49 .10 1.145 1.062 1.44 1-1/8-12 .0091 31/32 5/16
TR1665.81310 SL 7/8-9 UNC 1-1/4-12 UNF 1.375 .49 .10 1.270 1.187 1.56 1-1/4-12 .0100 1-3/32 5/16
TR1665.81510 SL 7/8-14 UNF 1-1/4-12 UNF 1.375 .49 .10 1.270 1.187 1.56 1-1/4-12 .0101 1-3/32 5/16
TR1665.81311 SL 1-8 UNC 1-3/8-12 UNF 1.500 .55 .10 1.395 1.312 1.68 1-3/8-12 .0110 1-7/32 5/16
TR1665.81511 SL 1-12 UNF 1-3/8-12 UNF 1.500 .55 .10 1.395 1.312 1.68 1-3/8-12 .0111 1-7/32 5/16

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 5/16 and over. Two locking keys on internal threads smaller than 5/16.
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 (MS51831 & NAS1395)

CAD & Data Sheets

Product Datasheets

TR1665 Threaded Insert MS/NAS - H Duty - Inch 330 kB pdf
Heavy Duty 1 MB pdf
Threaded Inserts Steel 4 MB pdf
Threaded Inserts 15 MB pdf

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