[200 PKG] Hex Head Cap Screws DIN 931 10.9 Steel Plain M12-1.75 X 40

Engineered for high-strength fastening, the Hex Head Cap Screws DIN 931 10.9 Steel Plain M12-1.75 x 40 deliver reliable performance in machinery, automotive, and structural applications. With a plain finish and full-thread design, these DIN 931 screws ensure strong engagement and versatility across tasks that require precise, repeatable assembly.

Key features

• DIN 931 hex head cap screw — standard, high-strength fastener for reliable, long-lasting assemblies
• Material: 10.9 steel for superior tensile strength and load-bearing capacity
• Finish: Plain (uncoated) steel for flexibility in protected environments or post-treatment if needed
• Size: M12-1.75 x 40 — metric coarse/thread pitch 1.75 mm, 40 mm length
• Thread: Full thread per DIN 931 to maximize grip and clamp load

Technical specifications

• Standard: DIN 931
• Head type: Hex head
• Diameter: M12
• Thread pitch: 1.75
• Length: 40 mm
• Material: 10.9 steel
• Finish: Plain

Applications

Ideal for machinery, automotive assemblies, heavy equipment, and construction projects where a durable, high-tensile fastener is required. The M12 x 40 length provides robust engagement in a wide range of thicknesses, while the plain finish offers flexibility for customer-applied coatings or treatments.