ISO 10509 ST8×25 Flange Head Tapping Screw4 combinations of material, property class and finish supplied in this size.

Standard
ISO 10509 · 2012
Thread
ST8 · pitch 2.1 mm
Length under head
25 mm · 24.2–25.8 mm to ISO 10509 product grade A
Drive
10 mm spanner · e 10.89 mm
Head height
8.6 mm
Weight
14.55 kg per 1 000 pieces · Theoretical, from nominal geometry — confirm before ordering68.7 pieces per kg
Also named
GB/T 16824.2
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View in 3D
ISO 10509 dimension tablePDF · every size

Order ST8×25

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

MaterialClassFinishQuantityNet weight
Carbon SteelZinc Plated
Carbon SteelDacromet
Stainless SteelPassivated
Stainless SteelPlain

Dimensions at ST8×25

DimensionValue
P2.1 mm
s10 mm
e10.89 mm
k8.6 mm
Weight14.55 kg / 1000 pcs
Pieces per kg68.7

Plating adds thickness — state the finish on the order.

Other lengths in ST8

All sizes →
Sizekg per 1 000 pieces
ST8×1912.35open
ST8×2213.45open
ST8×2514.55this page
ST8×3217.12open
ST8×3819.32open

ST8 x 16ST8 x 19ST8 x 22ST8 x 32ST8 x 38ST8 x 45ST8 x 50

Quote ISO 10509 ST8×25 Flange Head Tapping Screw

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