1,095 Piece Class 10.9 Hex Head Cap Screw Assortment Starter Kit

• Class 10.9 hex head cap screws — M6, M8, M10, and M12 diameters, multiple lengths per size
• Coarse and fine pitch (M10s) included
• Class 10.9 hex nuts — matching every diameter and pitch in the kit
• Flat washers and lock washers — one set per size and pitch
• 40-hole metal bin — delivered separately to prevent shipping damage
• QR-coded labels — for easy reordering
• 1,095 pieces total

Thread standards	M6x1.0, M8x1.25, M10x1.5, M10x1.25, M12x1.75
Grade	Class 10.9
Tensile strength	1,040 MPa (approx. 150,900 PSI) minimum
Finish	Zinc plated
Diameters	M6, M8, M10, M12
Total pieces	1,095
SKU	ASST40MCS10.9

• European and Asian vehicle repair — M6 through M12 covers the full range of high-stress metric fastener needs on BMW, Mercedes, Volkswagen, Toyota, Honda, and other metric-spec vehicles
• Machine shops and assembly operations — M6 through M12 at Class 10.9 handles the majority of metric production fastener requirements at elevated strength
• Agricultural and construction equipment — coarse and popular M10 fine pitch coverage for machinery that demands reliable clamping load across a wide size range
• Industrial maintenance teams — working on high-stress metric equipment without juggling individual SKUs across multiple diameters
• Fleet shops servicing mixed fleets — one organized bin covers the most common Class 10.9 metric sizes for both lighter and heavier metric applications

Class 10.9 is a high-strength metric fastener grade, one step above the Class 8.8 standard used in most general-purpose automotive and industrial applications. At 1,040 MPa minimum tensile strength — roughly 30% stronger than Class 8.8 — it's built for applications where joint integrity under sustained load and vibration is critical.

The "10.9" designation reflects the grade's tensile and yield properties under ISO 898-1: a nominal tensile strength of 1,000 MPa and a yield-to-tensile ratio of 0.9. In practice, this means Class 10.9 maintains clamping force in high-vibration environments where Class 8.8 hardware may loosen over time.

Zinc plating provides corrosion resistance for indoor shop use and most equipment applications. For outdoor, marine, or high-moisture environments, consider our stainless steel assortments.

• Ships within 1–2 business days from our warehouse
• Delivered in separate boxes — bin and fasteners ship separately to prevent transit damage.
• Volume pricing available — save up to 20% when ordering 3 or more kits
• Need to restock? A fastener-only refill is available — same 1,095 pieces, no bin
• B2B accounts: Custom pricing and a dedicated rep for fleet, facility, and machine shop teams — contact us to get started