M4 x 50mm Slot Mushroom Head Roofing Bolt A2 Stainless

Stainless Steel Roofing Bolt M4 x 50mm Slot Mushroom Head

Structural roofing bolt with a mushroom style head. These bolts have a slotted drive suitable for use with slot and flared screwdrivers or torsion bits. Manufactured from high-quality stainless steel for excellent resistance to corrosion.

Roofing Bolt Specifications: 

• Diameter: 4mm
• Length: 50mm
• Thread Pitch: 0.7mm
• Head Width: 10mm
• Conformity: NFE 27-128

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