Threading Tools 2018 by Sumitomo

More catalogs by Sumitomo | Threading Tools 2018 | 23 pages | 2018-07-11

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Page 7 of Threading Tools 2018

sec-threading tools sste type ssti type external grooving external threading pdy lf lh b wf sste pdx external lf the values of lf and lh in the table below are for reference only the actual values of pdy are listed with the inserts on f70 lh h hf ■ parts ■ holders dimensions mm cat no sste r1616h16 sste r2020k16 sste r2525m16 cutting edge cutting edge distance height height width length head stock dddhb lf lh wf hf 16 20 25 16 20 25 100 125 150 20.5 30.0 30.0 16 20 25 16 20 25 screw nm shim set screw flat washer shim wrench bftx0312n 2.0 bx03041 pw3 ye3 trx10 1 wrench for shim set thread sold separately internal grooving internal dmin min machining diameter dcon fig 2 dcon lh lh h h lh -1.5° -1.5° -1.5° f h lf -15° threading tools lf -15° lf -15° wf wf internal threading dmin min machining diameter fig 3 wf ssti dmin min machining diameter dcon fig 1 wf pdy ■ parts grooving the values of wf in the table below are for reference only the actual values of pdy are listed with the inserts on f71 pdx ■ holders cut-off dimensions mm cutting diameter height length head edge stock distance cat no dcon h ssti r1812m16※3 ssti r2016m163 ssti r2420q16 ssti r3125s16 ssti r3732s16 12 16 20 25 32 ddddd 11.0 15.0 18.0 23.0 30.0 lf lh wf 150 150 180 250 250 32.0 63.5 19.0 14.3 14.3 10.2 9.2 13.5 16.5 20.0 fig threading min machining diameter2 screw nm dmin 1 2 3 18 20 24 31 37 shim flat washer set screw bftx03085n 2.0 shim q q q bx03041 pw3 yi3 wrench trx10 bftx0312n 2.0 1 wrench for shim set thread sold separately  2 the minimum bore is the diameter of the prepared hole  3 left-hand threading cannot be performed ■ holder identification 4.5° 3.5° 2.5° 1.5° 0.5° −0.5° −1.5° internal grooving example cat no stock cat no stock ye3-3p ye3-2p ye3-1p ye34 ye3-1n ye3-2n ye3-3n ddddddd yi3-3p yi3-2p yi3-1p yi34 yi3-1n yi3-2n yi3-3n dddddddsster 25 25 m 16 ① series ③ feed direction sst type symbol direction r right ② external/internal symbol distinction e i external internal 4 standard shim supplied with the holder 3.0 2.0 t1 3.5° nonmachinable areas for external ye3-3p for internal yi3-3p pitch mm t1 4.5° d for external ye3-2p for internal yi3-2p d d 0 20 16 20 25 18 20 24 31 37 16 20 25 18 20 24 31 37 ⑤ shank width/diameter ⑥ total length symbol (mm) symbol (mm) 16 20 25 12 16 20 25 32 16 20 25 12 16 20 25 32 hkmqs 100 125 150 180 250 ⑦ insert size symbol inscribed circle mm 16 9.525 for external ye3-1p for internal yi3-1p for external ye3 for internal yi3 t1 0.5° 10 symbol (mm) 4 standard shim attached to holders t1 1.5° 1.0 t1 2.5° ④ shank height and machining diameter shank diameter shank width internal grooving external grooving external grooving recommendation lead angle t min machining diameter shank height internal grooving external grooving left thread right thread application ■ shim selection standards for external ye3-1n for internal yi3-1n 30 40 50 60 effective thread diameter mm 70 shim selection details f72 nm recommended tightning torque n・m f69