M8-1.25 x 30 18-8 Stainless Steel Metric Socket Head Cap Screw keeps the metric thread and length explicit for replacement work on stainless socket-head fastener locations. Metric exactness matters here: an M8-1.25 x 30 requirement should remain metric, not a converted inch approximation. Where maximum clamp strength matters more than stainless corrosion performance, compare Alloy Steel Metric Socket Head Cap Screws.

Replacement repairs on humid plant equipment can use 18-8 stainless to reduce repeated rust-stain service issues. On many metric drawings, A2 stainless identifies the same broad chromium-nickel stainless family commonly called 18-8 in North America.

The catalog keeps this 18-8 metric SHCS family separate from alloy and inch-series socket head cap screws. Review the metric thread, length, head diameter, head height, socket size, and key engagement before substituting another screw.

Technical Highlights

• Head Style: Cylindrical socket head, internal hex drive
• Material: 18-8 Stainless Steel
• Thread Size: M8-1.25 (coarse metric pitch)
• Length: 30 mm
• Head Diameter: 13.00 / 12.57 mm (max/min)
• Head Height: 8.00 / 7.78 mm (max/min)
• Hex Key Size: 6.0 mm
• Minimum Key Engagement: 4.3 mm
• Dimensional Standard: ISO 4762 / DIN 912

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.