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PERMCO CAP SCREW/HEX

Description & Features

Designed for use in Permco hydraulic gear pump and motor assemblies, the Permco Cap Screw/Hex is a genuine OEM fastener used to secure housing components and end plates in demanding hydraulic applications. Hex cap screws of this type provide reliable clamping force in high-cycle environments where maintaining precise torque retention is critical to system integrity.

As a direct Permco replacement part, this fastener is the recommended choice for technicians servicing or rebuilding Permco units, ensuring proper fit and compatibility with original assembly tolerances.

SKU: W1-65

Supplier Part Number (MPN): W1-65

Alternate Part Numbers: C1DS66

Specifications

Alternate Part Numbers Alternate Part Number C1DS66	Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number W1-65	Product Weight 1.50 lbs

Product Questions & Answers (2)

Question by: Bonnie R on Apr 10, 2025, 10:49 AM

rebuilding a permco pump and need to make sure i got the right fasteners, is part number W1-65 the one that goes on the housing and end plates?

Answer by: Customer Support on Apr 12, 2025, 6:48 AM

W1-65 is the correct OEM cap screw for Permco gear pump and motor assemblies, specifically used to secure the housing components and end plates. Since it's a genuine Permco replacement part, it's built to the original assembly tolerances, so you won't have to worry about fit issues during the rebuild.

Question by: Phil T on Feb 3, 2026, 9:52 AM

got a permco gear pump apart on the bench. is this cap screw the right kind for holding the housing and end plate back down?

Answer by: Customer Support on Feb 5, 2026, 6:38 AM

For Permco gear pump and motor assemblies, this OEM hex cap screw is used to secure housing components and end plates. It is meant as a direct Permco replacement part, so it matches the original assembly fit and tolerances for that job.