Holo-krome 76930 Hex Socket Cap Screw M36 X 4.00 Alloy Steel

Product Description

The HOLO-KROME 76930 is a metric hex socket cap screw designed for high-load fastening applications in industrial, mechanical, and structural assemblies. The fastener carries an M36 x 4.00 thread profile with a 160 mm length under the head, measuring approximately 6.3 inches. Manufactured from alloy steel to a 12.9 material grade, it delivers tensile strength suited for demanding bolted joints. A black oxide coating provides moderate corrosion resistance and a clean, low-reflectance finish. The hex socket drive requires a correspondingly sized hex key or Allen-drive tool. This screw conforms to ANSI B1.13M, ISO 4762, and ISO 898-1 standards.

This screw fits applications where a high-strength, large-diameter metric cap screw is required. Typical uses include heavy equipment assembly, machine tool mounting, press frames, large-bore flanges, and structural steel fabrication. The M36 diameter and 12.9 grade rating make it appropriate for joints that see significant tensile and shear loading. Maintenance technicians, millwrights, and industrial mechanics commonly specify this fastener when OEM drawings call out ISO 4762 socket head cap screws in the M36 size range.

Key Features

• M36 x 4.00 thread form per ANSI B1.13M and ISO 4762
• 160 mm length under head (approximately 6.3 inches)
• Alloy steel construction at 12.9 material grade for high tensile strength
• Black oxide finish for moderate corrosion resistance and reduced light reflection
• Hex socket drive for high-torque installation in confined spaces
• Meets ISO 898-1 mechanical property requirements for fastener performance

Compatibility

Designed as an ISO 4762-compliant hex socket cap screw for any assembly specifying an M36 x 4.00 socket head fastener at 12.9 grade. Confirm thread pitch, length under head, and material grade against OEM specifications before installation.

Installation Notes

Installation is typically performed by millwrights, maintenance mechanics, or machine assemblers using a calibrated torque wrench with the appropriate M36 hex key or hex drive bit. De-energize and lock out all power sources before working on the assembly. Verify mating thread condition and apply thread lubricant or specified prevailing torque compound as required by the joint design. Torque to the value specified in the equipment or structural drawings - do not rely on generic torque tables without confirming the friction coefficient and joint requirements.