ISO 15481 ST3.5×19 Pan Head Drill Screw7 combinations of material, property class and finish supplied in this size.

Standard
ISO 15481 · 1999
Thread
ST3.5 · pitch 1.3 mm
Length under head
19 mm
Head height
2.6 mm
Weight
1.95 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering514 pieces per kg
Also named
GB/T 15856.1

Supplied to ISO 15481 ST3.5×19 — the figures shown here match GB/T 15856.1. All 2 record the same figures in this size. Compared on the columns shown here only — product grade, tolerance class, length range, material and property-class references are set by each standard separately. We produce to whichever one your drawing calls out. Compare all sizes →

Recess NumberLkdkdPt
View in 3D
ISO 15481 dimension tablePDF · every size

Order ST3.5×19

Set a quantity on as many rows as you need. Not listed? We make to your drawing — send it with the enquiry.

Every standard listed here records the same figures at ST3.5×19. Your choice is carried into the inquiry and the quotation.

MaterialClassFinishQuantityNet weight
Carbon SteelZinc Plated
Carbon SteelDacromet
Carbon SteelRuspert
Carbon SteelPhosphate
Carbon SteelPlain
Stainless SteelPlain
Stainless SteelPassivated

Dimensions at ST3.5×19

one row per dimension
DimensionISO 15481CurrentGB/T 15856.1Current
Thread PitchP (mm)1.31.3
Thread Runout (max)a (mm)1.31.3
Underhead Diameter (max)da (mm)4.14.1
Head Diameterdk (mm)77
Head Diameter (min)dk min (mm)6.646.64
Nominal Head Heightk (mm)2.62.6
Head Height (min)k (mm)2.352.35
Radius (min)r (mm)0.10.1
Head Radius (ref.)rf (mm)66
Recess Number22
Type H Recess Width (ref.)m (mm)3.93.9
Type H Penetration (max)t (mm)1.91.9
Type H Penetration (min)t (mm)1.41.4
Type Z / Socket Width (ref.)m/A (mm)44
Type Z Penetration (max)t (mm)1.91.9
Type Z Penetration (min)t (mm)1.51.5
Drilling Capacity (min)t (mm)0.70.7
Drilling Capacity (max)t (mm)2.252.25

Plating adds thickness — state the finish on the order.

Other lengths in ST3.5

All sizes →
Sizekg per 1 000 pieces
ST3.5×131.53open
ST3.5×161.74open
ST3.5×191.95this page
ST3.5×222.16open
ST3.5×252.37open

ST3.5 x 9.5ST3.5 x 13ST3.5 x 16ST3.5 x 22ST3.5 x 25

Quote ISO 15481 ST3.5×19 Pan Head Drill Screw

Standard, size, material, finish, quantity and destination are enough to begin.