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PERMCO 5/8-11 X 10.5 TIE BOLT

Description & Features

Designed for use with Permco gear pumps and motors, this 5/8-11 UNC tie bolt measures 10.5 inches in length and is used to secure pump sections and end plates together during assembly. Tie bolts are a critical structural fastener in multi-section hydraulic gear pump configurations, maintaining clamping force across mating flanges under operating loads.

The Permco 5/8-11 X 10.5 Tie Bolt is a genuine Permco replacement part, suited for servicing or rebuilding Permco pump assemblies where this bolt specification is required. Using OEM-specified fasteners helps maintain proper torque values and alignment in reassembled units.

SKU: ZD-0391-105

Supplier Part Number (MPN): ZD-0391-105

Specifications

Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number ZD-0391-105	Product Weight 5.80 lbs

Product Questions & Answers (1)

Question by: Joyce R on Mar 29, 2026, 8:03 PM

got a permco gear pump apart on the bench. is this the long tie bolt that holds the sections and end plates together?

Answer by: Customer Support on Mar 31, 2026, 6:55 PM

On multi-section Permco gear pumps and motors, that tie bolt is used to clamp the pump sections and end plates together during assembly. This one is a genuine Permco replacement tie bolt with 5/8-11 UNC threads and a 10.5 inch length.