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Sealey BST4225 Self Tapping Screw 4.2 x 25mm Flanged Head Black Pozi Pack of 100

Sealey BST4225 Self Tapping Screw 4.2 x 25mm Flanged Head Black Pozi Pack of 100

SKU: 260326124001040 EAN: 5054511058130

Compare 3 prices for Sealey BST4225 Self Tapping Screw 4.2 x 25mm Flanged Head Black Pozi Pack of 100 — from £3.32 to £5.49 across 3 UK sellers including Trade Counter Direct, My Tool Shed, Tooled Up. Save up to £2.17 (40%).

£3.32 17h ago
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Compare Prices from 3 Sellers

Prices updated 19 Oct 2026
2
My Tool Shed
£5.49 +£2.17
13h
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3
Tooled Up
£5.49 +£2.17
13h
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#2 My Tool Shed
13h ago
£5.49 +£2.17
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#3 Tooled Up
13h ago
£5.49 +£2.17
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This 4.2mm diameter, 25mm length black self-tapping screw delivers maximum penetration depth within this product range, ideal for heavy-duty applications and thicker materials. The 25mm length makes it perfect for securing substantial fixtures, mounting equipment through insulation or thick panels, and applications requiring deep thread engagement for superior holding strength. The flanged Pozi head design incorporates an integrated washer effect that distributes fastening pressure across a wider surface area, preventing pull-through and surface damage even under significant loading. Self-tapping technology means the screw cuts its own thread as you drive it, removing the need for time-consuming pre-drilling operations. Manufactured to BS 4174 specifications and supplied in a pack of 100 within a resealable bag. Features and Benefits: • 4.2mm diameter x 25mm length for maximum penetration and heavy-duty use • Flanged Pozi head prevents pull-through with integrated washer effect • Self-tapping design creates own thread for efficient installation • Black finish offers corrosion resistance and professional appearance • Manufactured to BS 4174 British Standard • Pack of 100 in resealable bag Specifications: Brand: Sealey Nett Weight: 0.23kg Pack Qty: 100 Size: 4.2 x 25mm
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