Kawneer KW028557 Riser Block Fastener 1/4-20 x 1-9/32 FHMS Exit Device Replacement Part

Kawneer KW028557 Riser Block Fastener 1/4-20 x 1-9/32 FHMS Exit Device Replacement Part

The Kawneer KW028557 is a genuine Kawneer service replacement part, a Riser Block Fastener with a 1/4-20 thread size and 1-9/32" length in a flat-head machine screw (FHMS) configuration. Designed for commercial exit device applications, this fastener is engineered to match OEM specifications for precise fit and reliable performance in Kawneer hardware assemblies.

Key Features

• OEM Thread Specification: 1/4-20 thread size ensures exact compatibility with Kawneer riser block assemblies for a secure, rattle-free fit.
• Precise Length: 1-9/32" fastener length matches original factory specifications for proper engagement and installation depth.
• Flat-Head Machine Screw (FHMS) Design: Countersunk flat-head profile allows the fastener to sit flush within the riser block assembly, maintaining a clean installation.
• Genuine Kawneer Service Part: Manufactured as an authorized Kawneer service component, ensuring OEM-grade quality and direct replacement fit.
• Commercial-Grade Construction: Engineered for demanding commercial door hardware applications where dependable fastener performance is critical.
• Exit Device Part Compatibility: Specifically categorized as an exit device replacement part, making it the correct choice for servicing Kawneer exit device assemblies.

Technical Specifications

• Department: Door Hardware
• Product Category: Mechanical Locks
• Product Group: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Subgroup: Parts and Accessories
• Product Type: Exit Device Parts
• Parts and Accessories Type: Replacement Parts
• Commercial/Residential: Commercial
• Product Model: KW028557
• Features: Kawneer Service Parts

Typical Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential Properties

Why Kawneer KW028557?

Kawneer service parts are manufactured to OEM standards, ensuring that replacement components integrate seamlessly with existing Kawneer exit device assemblies. The KW028557 Riser Block Fastener delivers the precise thread specification (1/4-20) and length (1-9/32") required to restore commercial door hardware to original factory performance, minimizing downtime and maintaining the integrity of life-safety exit device systems.