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Data Table

Order No. Order by articlenumber Type Order by parameter d1 4H6H Order by parameter Thread type d1 Order by parameter d2 4h Order by parameter Thread type d2 Order by parameter l1 Order by parameter l2 Order by parameter Inst. tool ref. TR1710 Order by parameter Inst. tap drill size +.080, -.025 Order by parameter Inst. c'sink hole size +.25, -.00 Order by parameter Inst. thread tap 6H Order by parameter Inst. tap to depth min Order by parameter Rem. drill size Order by parameter Rem. drill depth Order by parameter
TR1601.77382 SL M 2x0,4 Coarse M 4x0,7 Coarse 3,00 2,20 .0820 3,4 4,1 M 4x0,7 4,0 2,8 2,00
TR1601.77383 SL M2,5x0,45 Coarse M4,5x0,75 Coarse 3,81 2,70 .0830 3,9 4,6 M4,5x0,75 5,0 3,0 2,00
TR1601.77384 SL M 3x0,5 Coarse M 5x0,8 Coarse 4,25 3,10 .0840 4,4 5,1 M 5x0,8 5,5 3,5 2,25
TR1601.77386 SL M 4x0,7 Coarse M 6x0.75 Fine 5,25 4,11 .0860 5,5 6,1 M 6x0,75 6,5 4,6 2,50

Technical & Application


Inserts - 303 CRES.
Keys - 302 CRES.
Passivated. Dry film lubrication on self-locking inserts only.

Technical Notes

All dimensions in millimetres.
Internal threads: to Fed. Std. H28/21, MJ Form
General tolerances -
+/- 0,25mm, unless specified.
Tap drill hole tolerances -
6,9 to 10,8 = +0,100/-0,025
12,8 and over = +0,130/-0,025
SL = Self-Locking type, deliberate deformity in thread produces self-affect once installed (see technical diagram).


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

Important Notes

Four locking keys on internal threads M6 and over. Two locking keys on internal threads smaller than M6.
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.

CAD & Data Sheets

Product Datasheets

TR1601 Threaded Insert MS/NAS - Mini - Metric 1 MB pdf
Miniature 4 MB pdf
Threaded Inserts 28 MB pdf

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