Value Collection 427106MSC M6 X 1 Flange Bolt 40mm Grade 10.9

Product Description

The VALUE COLLECTION 427106MSC is a smooth flange bolt designed for metric fastening applications requiring high clamping strength and load distribution. Manufactured from Grade 10.9 alloy steel with a phosphate and oil finish, this bolt provides corrosion resistance and reliable torque retention. The integrated smooth flange distributes bearing load across a wider surface area, eliminating the need for a separate washer in most applications. With a nominal thread size of M6 x 1 and a 40 mm length under head, it delivers a 20 mm threaded engagement zone with a partially threaded shank. Licensed mechanics, millwrights, and maintenance technicians working on machine assemblies, brackets, and structural panels are the primary installers.

This flange bolt is suited for use in industrial machinery, automotive assemblies, and general mechanical fabrication where a metric fastener with a built-in bearing flange is specified. The partial threading leaves a smooth shank section that resists shear loads at the joint interface. Applications include steel-to-steel connections, equipment mounting, and fixture assembly where DIN 6921 compliance is required. Sold individually with a minimum order quantity of 100 units, making it appropriate for production and maintenance inventory stocking.

Key Features

• Grade 10.9 alloy steel construction for high tensile strength in demanding mechanical applications
• Smooth flange design distributes clamping load over a 14.2 mm flange diameter, reducing surface damage
• Partially threaded shank with 20 mm of thread engagement, leaving unthreaded shank for shear resistance
• Phosphate and oil finish provides corrosion inhibition and improved lubricity during installation
• Conforms to DIN 6921 and DIN ISO 898-1 standards for consistent dimensional and mechanical performance
• Hex drive with a 9.78 to 10 mm drive size for standard metric tooling compatibility

Compatibility

Designed as a DIN 6921-compliant metric flange bolt suitable for use in assemblies specifying M6 x 1 partially threaded smooth flange fasteners in Grade 10.9 alloy steel.

Installation Notes

Install using a metric hex wrench or socket matched to the 9.78 to 10 mm drive size. Confirm mating thread condition and clearance hole diameter before installation to avoid cross-threading. Apply appropriate torque per the applicable equipment service specification for Grade 10.9 M6 fasteners. The phosphate and oil finish provides initial lubrication, but additional thread lubricant may be required depending on joint requirements and environmental exposure.