Multiquip EM963 Capscrew 3/8" NCX1-1/4" G8

The Multiquip EM963 Capscrew 3/8" NCX1-1/4" G8 is a genuine OEM fastener designed for a wide range of Multiquip, Whiteman, Essick, and Mayco equipment across mixer, pump, roller, trowel, and power buggy product lines. As an OEM-sourced component, EM963 meets the exact grade, thread pitch, and dimensional specifications called out in the original equipment build. This capscrew is confirmed for use across numerous models including WM70, WM90, MC94, EM90, LS300, V305EK, AR14H, WBH-16, and many more — making it a versatile fastener to keep on hand for maintenance and repair across a mixed equipment fleet.

Key Features

• Grade 8 Tensile Strength — G8 classification delivers high clamping force and shear resistance suited to the mechanical loads found in mixer drives, pump housings, and roller assemblies.
• Exact OEM Thread Specification — 3/8" NC (coarse) thread at 1-1/4" length matches the original fastener spec, ensuring full thread engagement without rework or modification to tapped holes.
• Broad Cross-Equipment Compatibility — Verified for use across WM, EM, MC, LS, AR, V, WBH, WTB, C30, PRO, and JWN/HHN/HTN series equipment — one part number covers an extensive range of Multiquip portfolio machines.
• Genuine OEM Sourcing — Supplied as an authentic Multiquip OEM part, so grade markings, plating, and dimensional tolerances are consistent with the original production fastener.
• Prevents Joint Failure — A worn, stripped, or incorrect-grade capscrew in a high-vibration assembly can cause structural loosening or component misalignment; using the correct G8 capscrew maintains joint integrity under continuous operating loads.

A capscrew is a precision fastener used to clamp structural and mechanical components together in a bolted joint. Unlike a standard bolt used with a nut, a capscrew threads directly into a tapped hole in one of the mating parts, providing a clean and secure connection in assemblies where access to a back nut is limited. Grade 8 capscrews are specifically heat-treated to achieve high tensile and proof load ratings, making them the correct choice for dynamic or high-stress mounting points such as drive housings, frame brackets, and pump casings. When a fastener of incorrect grade or size is substituted, the joint may stretch, loosen under vibration, or fail entirely — leading to component damage and unplanned downtime.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.