Rounded End Pozidriv Countersunk Head Tapping Screw ISO 7050 — ST3.5×19

00028QapprovedStandard

Std. ref: ISO 7050ESX desig.: ESX-ISO7050-ST3.5X19-ST-ST-PL-R-ZStd. designation: Tapping screw ISO 7050 - ST3.5 × 19 - St - R - Z

Cross-recessed countersunk (flat) head tapping screw, end form R and recess Z, ST3.5 × 19 mm, per ISO 7050.

Engineering Attributes

Dimensions

Countersink Angle90

End Form Length2.7 mm

Head Diameter8.2 (-0.90/-1.30) mm

Head Height2.35 (max) mm

Length19 (±0.80) mm

Shank Diameter3.5 mm

Thread Length14.05 mm

Thread SizeST3.5×1.3

Material & Finish

MaterialSteel (ISO 898-1)

Finish / SurfaceNone (as processed)

Mechanical

Unit Weight1.34 g

Load DirectionTensile (axial pull)

Strength Grade Property ClassSt

Interface

Drive TypeCross recess type Z (Pozidriv)

Head TypeCountersunk (flat)

Locking FeatureNo

Point TypeRounded

Thread DirectionRight-hand (standard)

Thread TypeTapping screw thread ST (ISO 1478)

19 attributes

Interchangeability

No interchangeability relationships agreed yet.

1 part is detected as substitutable for this one from the standard's own interchange rule — listed under Functional alternates below. A detection is computed on every read; a relationship here is one a party has agreed to.

3D · GLB

STEP Datasheet Image

Technical data is provided as-is and must be independently verified before use. Terms

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Functional alternates

Same dimensions and material, so they fit the same place. They differ in strength class, coating or tolerance — check the requirement before substituting.

The last column shows the field that differ from this item (Drive type). Values in blue differ; grey values match this item.

Code	Item	Standard	Drive typethis item: Cross recess type Z (Pozidriv)
00028Q	Rounded End Pozidriv Countersunk Head Tapping Screw ISO 7050 — ST3.5×19this item	ISO 7050	Cross recess type Z (Pozidriv)
00028P	Rounded End Phillips Countersunk Head Tapping Screw ISO 7050 — ST3.5×19	ISO 7050	Cross recess type H (Phillips)