DIN 7504 K Stainless Steel Hexagon Flange Self-Drilling Screws

Hexagon flange self-drilling screws in 304, 316 and 410 stainless steel. Compare ordinary coarse-thread sizes, thread coverage and markings. Photos show a washer-equipped sample; washer type and supply are confirmed separately.

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SKU: TONGMING-CATALOGUE-446 Category:

DIN 7504 K Stainless Steel Hexagon Flange Self-Drilling Screws

Hexagon flange head screws with a drill point. This table covers the ordinary coarse-thread catalogue references in 304, 316 and 410 stainless steel, with full and partial threads kept separate.

Photos show a washer-equipped sample. The table below lists ordinary screw references; washer type and supply are confirmed separately with your quotation.

Choose the right version

Select the exact item reference and confirm the mating material, sheet thickness and point geometry. Entries with attached washers, PVC or EPDM components, a special number 5 point, or a dual-thread arrangement are outside this table. No drilling capacity or sealing performance is implied.

Catalogue specifications

Expand a material and diameter group to compare the exact size, thread description and item reference. Dimensions are retained as listed by the supplier. Availability is confirmed when quoting.

304 stainless steel / ST3.5 — 7 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.5-20 X 13 Coarse tapping thread; fully threaded Unmarked 138731
ST3.5-20 X 16 Coarse tapping thread; fully threaded Unmarked 138753
ST3.5-20 X 19 Coarse tapping thread; fully threaded Unmarked 138756
ST3.5-20 X 25 Coarse tapping thread; fully threaded Unmarked 138761
ST3.5-20 X 32 Coarse tapping thread; fully threaded Unmarked 138767
ST3.5-20 X 35 Coarse tapping thread; fully threaded Unmarked 141024
ST3.5-20 X 38 Coarse tapping thread; fully threaded Unmarked 141025
304 stainless steel / ST3.9 — 8 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.9-19 X 13 Coarse tapping thread; fully threaded Unmarked 138771
ST3.9-19 X 16 Coarse tapping thread; fully threaded Unmarked 138775
ST3.9-19 X 19 Coarse tapping thread; fully threaded Unmarked 138789
ST3.9-19 X 25 Coarse tapping thread; fully threaded Unmarked 138781
ST3.9-19 X 32 Coarse tapping thread; fully threaded Unmarked 138794
ST3.9-19 X 35 Coarse tapping thread; fully threaded Unmarked 141026
ST3.9-19 X 38 Coarse tapping thread; fully threaded Unmarked 141027
ST3.9-19 X 45 Coarse tapping thread; fully threaded Unmarked 141028
304 stainless steel / ST4.2 — 10 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.2-18 X 13 Coarse tapping thread; fully threaded TonG 139869
ST4.2-18 X 16 Coarse tapping thread; fully threaded TonG 138797
ST4.2-18 X 19 Coarse tapping thread; fully threaded TonG 138801
ST4.2-18 X 22 Coarse tapping thread; fully threaded TonG 138805
ST4.2-18 X 25 Coarse tapping thread; fully threaded TonG 138806
ST4.2-18 X 32 Coarse tapping thread; fully threaded TonG 138812
ST4.2-18 X 35 Coarse tapping thread; fully threaded TonG 141030
ST4.2-18 X 38 Coarse tapping thread; fully threaded TonG 138813
ST4.2-18 X 45 Coarse tapping thread; fully threaded TonG 141031
ST4.2-18 X 50 Coarse tapping thread; fully threaded TonG 141032
304 stainless steel / ST4.8 — 15 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.8-16 X 13 Coarse tapping thread; fully threaded TonG 141033
ST4.8-16 X 16 Coarse tapping thread; fully threaded TonG 138817
ST4.8-16 X 19 Coarse tapping thread; fully threaded TonG 138820
ST4.8-16 X 22 Coarse tapping thread; fully threaded TonG 138821
ST4.8-16 X 25 Coarse tapping thread; fully threaded TonG 138822
ST4.8-16 X 32 Coarse tapping thread; fully threaded TonG 138823
ST4.8-16 X 35 Coarse tapping thread; fully threaded TonG 141034
ST4.8-16 X 38 Coarse tapping thread; fully threaded TonG 138827
ST4.8-16 X 45 Coarse tapping thread; fully threaded TonG 138830
ST4.8-16 X 50 Coarse tapping thread; fully threaded TonG 138833
ST4.8-16 X 55 Coarse tapping thread; fully threaded TonG 141035
ST4.8-16 X 60 Coarse tapping thread; fully threaded TonG 141036
ST4.8-16 X 65 Coarse tapping thread; partially threaded TonG 141037
ST4.8-16 X 70 Coarse tapping thread; partially threaded TonG 141168
ST4.8-16 X 75 Coarse tapping thread; partially threaded TonG 138835
304 stainless steel / ST5.5 — 1 catalogue items
Catalogue size Thread / version Marking Item reference
ST5.5-14 X 25 Coarse tapping thread; fully threaded; washer not fitted TonG 239449
304 stainless steel / ST6.3 — 19 catalogue items
Catalogue size Thread / version Marking Item reference
ST6.3-14 X 16 Coarse tapping thread; fully threaded TonG 141195
ST6.3-14 X 19 Coarse tapping thread; fully threaded TonG 138875
ST6.3-14 X 22 Coarse tapping thread; fully threaded TonG 138876
ST6.3-14 X 25 Coarse tapping thread; fully threaded TonG 138877
ST6.3-14 X 32 Coarse tapping thread; fully threaded TonG 138879
ST6.3-14 X 35 Coarse tapping thread; fully threaded TonG 141196
ST6.3-14 X 38 Coarse tapping thread; fully threaded TonG 138880
ST6.3-14 X 45 Coarse tapping thread; fully threaded TonG 138881
ST6.3-14 X 50 Coarse tapping thread; fully threaded TonG 138882
ST6.3-14 X 55 Coarse tapping thread; fully threaded TonG 138883
ST6.3-14 X 60 Coarse tapping thread; fully threaded TonG 138884
ST6.3-14 X 65 Coarse tapping thread; partially threaded TonG 138886
ST6.3-14 X 70 Coarse tapping thread; partially threaded TonG 138888
ST6.3-14 X 75 Coarse tapping thread; partially threaded TonG 138889
ST6.3-14 X 80 Coarse tapping thread; partially threaded TonG 141197
ST6.3-14 X 85 Coarse tapping thread; partially threaded TonG 141198
ST6.3-14 X 90 Coarse tapping thread; partially threaded TonG 141199
ST6.3-14 X 95 Coarse tapping thread; partially threaded TonG 141200
ST6.3-14 X 100 Coarse tapping thread; partially threaded TonG 141201
316 stainless steel / ST3.5 — 7 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.5-20 X 13 Coarse tapping thread; fully threaded Unmarked 142219
ST3.5-20 X 16 Coarse tapping thread; fully threaded Unmarked 142220
ST3.5-20 X 19 Coarse tapping thread; fully threaded Unmarked 142221
ST3.5-20 X 22 Coarse tapping thread; fully threaded Unmarked 142222
ST3.5-20 X 25 Coarse tapping thread; fully threaded Unmarked 142223
ST3.5-20 X 32 Coarse tapping thread; fully threaded Unmarked 142224
ST3.5-20 X 38 Coarse tapping thread; fully threaded Unmarked 142225
316 stainless steel / ST3.9 — 8 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.9-19 X 13 Coarse tapping thread; fully threaded Unmarked 142226
ST3.9-19 X 16 Coarse tapping thread; fully threaded Unmarked 142227
ST3.9-19 X 19 Coarse tapping thread; fully threaded Unmarked 142228
ST3.9-19 X 22 Coarse tapping thread; fully threaded Unmarked 142229
ST3.9-19 X 25 Coarse tapping thread; fully threaded Unmarked 142230
ST3.9-19 X 32 Coarse tapping thread; fully threaded Unmarked 142231
ST3.9-19 X 38 Coarse tapping thread; fully threaded Unmarked 142232
ST3.9-19 X 45 Coarse tapping thread; fully threaded Unmarked 142233
316 stainless steel / ST4.2 — 9 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.2-18 X 13 Coarse tapping thread; fully threaded TonG 142234
ST4.2-18 X 16 Coarse tapping thread; fully threaded TonG 142235
ST4.2-18 X 19 Coarse tapping thread; fully threaded TonG 142236
ST4.2-18 X 22 Coarse tapping thread; fully threaded TonG 142237
ST4.2-18 X 25 Coarse tapping thread; fully threaded TonG 142238
ST4.2-18 X 32 Coarse tapping thread; fully threaded TonG 142239
ST4.2-18 X 38 Coarse tapping thread; fully threaded TonG 142240
ST4.2-18 X 45 Coarse tapping thread; fully threaded TonG 142241
ST4.2-18 X 50 Coarse tapping thread; fully threaded TonG 142242
316 stainless steel / ST4.8 — 15 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.8-16 X 13 Coarse tapping thread; fully threaded TonG 142243
ST4.8-16 X 16 Coarse tapping thread; fully threaded TonG 142244
ST4.8-16 X 19 Coarse tapping thread; fully threaded TonG 142245
ST4.8-16 X 22 Coarse tapping thread; fully threaded TonG 142246
ST4.8-16 X 25 Coarse tapping thread; fully threaded TonG 142247
ST4.8-16 X 32 Coarse tapping thread; fully threaded TonG 142248
ST4.8-16 X 38 Coarse tapping thread; fully threaded TonG 142250
ST4.8-16 X 45 Coarse tapping thread; fully threaded TonG 142251
ST4.8-16 X 50 Coarse tapping thread; fully threaded TonG 142252
ST4.8-16 X 55 Coarse tapping thread; fully threaded TonG 142253
ST4.8-16 X 60 Coarse tapping thread; fully threaded TonG 142254
ST4.8-16 X 65 Coarse tapping thread; partially threaded TonG 142255
ST4.8-16 X 70 Coarse tapping thread; partially threaded TonG 142256
ST4.8-16 X 75 Coarse tapping thread; partially threaded TonG 142257
ST4.8-16 X 80 Coarse tapping thread; partially threaded TonG 142258
316 stainless steel / ST6.3 — 18 catalogue items
Catalogue size Thread / version Marking Item reference
ST6.3-14 X 16 Coarse tapping thread; fully threaded TonG 142337
ST6.3-14 X 19 Coarse tapping thread; fully threaded TonG 142338
ST6.3-14 X 22 Coarse tapping thread; fully threaded TonG 142339
ST6.3-14 X 25 Coarse tapping thread; fully threaded TonG 142340
ST6.3-14 X 32 Coarse tapping thread; fully threaded TonG 142341
ST6.3-14 X 38 Coarse tapping thread; fully threaded TonG 142342
ST6.3-14 X 45 Coarse tapping thread; fully threaded TonG 142343
ST6.3-14 X 50 Coarse tapping thread; fully threaded TonG 142346
ST6.3-14 X 55 Coarse tapping thread; fully threaded TonG 142347
ST6.3-14 X 60 Coarse tapping thread; fully threaded TonG 142348
ST6.3-14 X 65 Coarse tapping thread; partially threaded TonG 142349
ST6.3-14 X 70 Coarse tapping thread; partially threaded TonG 142350
ST6.3-14 X 75 Coarse tapping thread; partially threaded TonG 142351
ST6.3-14 X 80 Coarse tapping thread; partially threaded TonG 142352
ST6.3-14 X 85 Coarse tapping thread; partially threaded TonG 142353
ST6.3-14 X 90 Coarse tapping thread; partially threaded TonG 142354
ST6.3-14 X 95 Coarse tapping thread; partially threaded TonG 142355
ST6.3-14 X 100 Coarse tapping thread; partially threaded TonG 142356
410 stainless steel / ST3.5 — 7 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.5-20 X 13 Coarse tapping thread; fully threaded Unmarked 138745
ST3.5-20 X 16 Coarse tapping thread; fully threaded Unmarked 138768
ST3.5-20 X 19 Coarse tapping thread; fully threaded Unmarked 138770
ST3.5-20 X 25 Coarse tapping thread; fully threaded Unmarked 138774
ST3.5-20 X 32 Coarse tapping thread; fully threaded Unmarked 138776
ST3.5-20 X 35 Coarse tapping thread; fully threaded Unmarked 141387
ST3.5-20 X 38 Coarse tapping thread; fully threaded Unmarked 141388
410 stainless steel / ST3.9 — 8 catalogue items
Catalogue size Thread / version Marking Item reference
ST3.9-19 X 13 Coarse tapping thread; fully threaded Unmarked 138779
ST3.9-19 X 16 Coarse tapping thread; fully threaded Unmarked 138780
ST3.9-19 X 19 Coarse tapping thread; fully threaded Unmarked 138782
ST3.9-19 X 25 Coarse tapping thread; fully threaded Unmarked 138784
ST3.9-19 X 32 Coarse tapping thread; fully threaded Unmarked 138785
ST3.9-19 X 35 Coarse tapping thread; fully threaded Unmarked 141389
ST3.9-19 X 38 Coarse tapping thread; fully threaded Unmarked 141390
ST3.9-19 X 45 Coarse tapping thread; fully threaded Unmarked 141391
410 stainless steel / ST4.2 — 10 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.2-18 X 13 Coarse tapping thread; fully threaded TonG 139866
ST4.2-18 X 16 Coarse tapping thread; fully threaded TonG 138786
ST4.2-18 X 19 Coarse tapping thread; fully threaded TonG 138787
ST4.2-18 X 22 Coarse tapping thread; fully threaded TonG 138788
ST4.2-18 X 25 Coarse tapping thread; fully threaded TonG 138790
ST4.2-18 X 32 Coarse tapping thread; fully threaded TonG 138791
ST4.2-18 X 35 Coarse tapping thread; fully threaded TonG 141392
ST4.2-18 X 38 Coarse tapping thread; fully threaded TonG 138792
ST4.2-18 X 45 Coarse tapping thread; fully threaded TonG 141393
ST4.2-18 X 50 Coarse tapping thread; fully threaded TonG 141394
410 stainless steel / ST4.8 — 15 catalogue items
Catalogue size Thread / version Marking Item reference
ST4.8-16 X 13 Coarse tapping thread; fully threaded TonG 141395
ST4.8-16 X 16 Coarse tapping thread; fully threaded TonG 138793
ST4.8-16 X 19 Coarse tapping thread; fully threaded TonG 138795
ST4.8-16 X 22 Coarse tapping thread; fully threaded TonG 138796
ST4.8-16 X 25 Coarse tapping thread; fully threaded TonG 138798
ST4.8-16 X 32 Coarse tapping thread; fully threaded TonG 138799
ST4.8-16 X 35 Coarse tapping thread; fully threaded TonG 139867
ST4.8-16 X 38 Coarse tapping thread; fully threaded TonG 138800
ST4.8-16 X 45 Coarse tapping thread; fully threaded TonG 138802
ST4.8-16 X 50 Coarse tapping thread; fully threaded TonG 138803
ST4.8-16 X 55 Coarse tapping thread; fully threaded TonG 141397
ST4.8-16 X 60 Coarse tapping thread; fully threaded TonG 141398
ST4.8-16 X 65 Coarse tapping thread; partially threaded TonG 141399
ST4.8-16 X 70 Coarse tapping thread; partially threaded TonG 141400
ST4.8-16 X 75 Coarse tapping thread; partially threaded TonG 138804
410 stainless steel / ST6.3 — 19 catalogue items
Catalogue size Thread / version Marking Item reference
ST6.3-14 X 16 Coarse tapping thread; fully threaded TonG 141698
ST6.3-14 X 19 Coarse tapping thread; fully threaded TonG 138839
ST6.3-14 X 22 Coarse tapping thread; fully threaded TonG 138841
ST6.3-14 X 25 Coarse tapping thread; fully threaded TonG 138842
ST6.3-14 X 32 Coarse tapping thread; fully threaded TonG 138845
ST6.3-14 X 35 Coarse tapping thread; fully threaded TonG 141699
ST6.3-14 X 38 Coarse tapping thread; fully threaded TonG 138847
ST6.3-14 X 45 Coarse tapping thread; fully threaded TonG 138849
ST6.3-14 X 50 Coarse tapping thread; fully threaded TonG 138850
ST6.3-14 X 55 Coarse tapping thread; fully threaded TonG 138852
ST6.3-14 X 60 Coarse tapping thread; fully threaded TonG 138854
ST6.3-14 X 65 Coarse tapping thread; partially threaded TonG 138857
ST6.3-14 X 70 Coarse tapping thread; partially threaded TonG 138858
ST6.3-14 X 75 Coarse tapping thread; partially threaded TonG 138860
ST6.3-14 X 80 Coarse tapping thread; partially threaded TonG 141700
ST6.3-14 X 85 Coarse tapping thread; partially threaded TonG 141701
ST6.3-14 X 90 Coarse tapping thread; partially threaded TonG 141702
ST6.3-14 X 95 Coarse tapping thread; partially threaded TonG 141703
ST6.3-14 X 100 Coarse tapping thread; partially threaded TonG 141704

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Send the item reference, quantity, application and delivery country. Include any drawing, inspection or documentation requirements. For items available in Dongming stock, dispatch can usually be arranged in around 3 days, subject to stock and order confirmation.

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