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Rounded End Phillips Countersunk Head Tapping Screw ISO 7050 — ST5.5×22 — St — Steel — None (as processed)

000259ApprovedStandard
Std. ref: ISO 7050Std. designator: Tapping screw ISO 7050 - ST5.5 × 22 - St - R - HESX designator: ESX-ISO7050-ST5.5X22-ST-ST-PL-R-H

Cross-recessed countersunk (flat) head tapping screw, end form R and recess H, ST5.5 × 22 mm, per ISO 7050.

Engineering Attributes

Dimensions

Countersink Angle90° (included)
End Form Length4.3 mm
Head Diameter11.5 (-1.20/-1.60) mm
Head Height3 max mm
Length22 (±0.80) mm
Shank Diameter5.5 mm
Thread Length15.4 mm

Material

MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)

External interface

Thread SizeST5.5×1.8
Drive TypeCross recess type H
Head TypeCountersunk (flat)
Locking FeatureNo
Point TypeOval / rounded
Thread DirectionRight-hand
Thread TypeTapping screw thread ST (ISO 1478)

Internal properties

Unit Weight3.795 ± 0.179 g
Load DirectionTensile (axial pull)

18 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.

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

Pricing & Availability

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Functional alternates

1

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 differs from this item (Drive type). Values in blue differ; grey values match this item.

CodeItemStandardDrive typethis item: Cross recess type H
000259Rounded End Phillips Countersunk Head Tapping Screw ISO 7050 — ST5.5×22 — St — Steel — None (as processed)this itemISO 7050Cross recess type H
00025ARounded End Pozidriv Countersunk Head Tapping Screw ISO 7050 — ST5.5×22 — St — Steel — None (as processed)ISO 7050Cross recess type Z