Wyoming Knife WY40 blade retainer wing screw shown against a plain background, a small stainless steel fastener with a flat wing-shaped head designed for tool-free hand-tightening, sized to fit the Wyoming Saw I and Wyoming Saw II frames.

Wyoming Knife WY40 Saw Blade Retainer Wing Screw — #10-24, Stainless Steel

SKU: WY40-V2-351

Wyoming

$9.99

Overview
Warranty Information

Product Description

The Wyoming Knife WY40 is a replacement blade retainer wing screw for the Wyoming Saw I (11") and Wyoming Saw II (18"). It's the fastener that holds the saw blade in the frame, and it's built as a tool-free wing screw so you can swap blades in the field without carrying a separate tool.

Machined from heavy-duty stainless steel with standard #10-24 threading, the WY40 is compatible with the WY22 (wood) and WY23 (bone) blades for the Wyoming Saw I, and the WY31 (wood) and WY32 (bone) blades for the Wyoming Saw II. At 0.4 oz, it's a lightweight, pocket-sized replacement part for hunters and field-dressing users who've lost or worn out their original retainer screw.

This part is made in the USA and ships from Knifeworks with the same fast turnaround as every other item in our catalog.

Thread: #10-24 standard threading — heavy-duty stainless steel construction
Design: Tool-free wing screw profile for fast, no-tool blade changes in the field
Tool Compatibility: Wyoming Saw I (11") and Wyoming Saw II (18")
Blade Compatibility: WY22 (wood), WY23 (bone), WY31 (wood), WY32 (bone)
Weight: 0.4 oz — Made in the USA

Specifications:

Product Type	Accessory
Product Brand	Wyoming Knife
Item Number	WY40
Model	Wyoming Saw Blade Retainer Screw
Thread Specification	#10-24 Standard Threading
Fastener Profile	Tool-Free Wing Screw Design
Material Construction	Heavy-Duty Stainless Steel
Tool Compatibility	Wyoming Saw I (11") and Wyoming Saw II (18")
Blade Compatibility	WY22 (Wood), WY23 (Bone), WY31 (Wood), WY32 (Bone)
Weight	0.4 oz
Origin	USA

Warranty Information

Wyoming Knife guarantees every product to be free of manufacturing defects in materials and workmanship for the life of the original owner. If a component fails due to a factory defect, Wyoming Knife will repair or replace it with a new item. This warranty does not cover normal wear and tear, rust, or product misuse. Replacement hardware like the WY40 screw is generally considered accidental loss rather than a factory defect and is not covered under warranty replacement; however, if a component such as the frame structure breaks during normal, proper operation, it will be evaluated for a warranty replacement. Contact Wyoming Knife directly at wyomingknife.com for warranty service.

Product Videos

Custom Field

Product Type Accessory

Product Brand Wyoming Knife

Item Number WY40

Model Wyoming Saw Blade Retainer Screw

Thread Specification #10-24 Standard Threading

Fastener Profile Tool-Free Wing Screw Design

Material Construction Heavy-Duty Stainless Steel

Tool Compatibility Wyoming Saw I (11") and Wyoming Saw II (18")

Blade Compatibility WY22 (Wood), WY23 (Bone), WY31 (Wood), WY32 (Bone)

Weight 0.4 oz

Origin USA

Product Reviews

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Stainless Steel BuildHeavy-duty #10-24 threaded wing screw designed to hold up to repeated field use.

Tool-Free Wing DesignHand-tighten or loosen in the field with no separate tool required.

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Fits Wyoming Saw I and IICompatible with WY22, WY23, WY31, and WY32 replacement blades.

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Same or Next Business Day ShippingShips from Columbia, Louisiana. Questions? Call 888-225-9775 — we carry these parts daily.

Wyoming Knife WY40 Blade Retainer Screw: Frequently Asked Questions

Common questions about this Wyoming Saw replacement part, answered by the Knifeworks team.

What is the WY40 used for?＋

The WY40 is the wing screw that holds the saw blade in place on the Wyoming Saw I and Wyoming Saw II frame. It's a replacement part for a lost, stripped, or worn original screw.

Do I need a tool to install the WY40?＋

No. The WY40 uses a tool-free wing screw profile, so it hand-tightens and loosens without a screwdriver or wrench, making blade swaps quick in the field.

Which Wyoming Saw blades is the WY40 compatible with?＋

The WY40 fits the WY22 (wood) and WY23 (bone) blades on the Wyoming Saw I, and the WY31 (wood) and WY32 (bone) blades on the Wyoming Saw II.

What thread size is the WY40?＋

The WY40 uses standard #10-24 threading and is machined from heavy-duty stainless steel for durability in the field.

Is the WY40 covered under Wyoming Knife's warranty?＋

Wyoming Knife's warranty covers manufacturing defects in materials and workmanship, not normal wear and tear or misuse. Small hardware parts lost in the field, like a dropped wing screw, are considered accidental loss rather than a factory defect, so replacement screws like the WY40 are typically sold as a standard replacement part rather than covered under warranty.

How fast does Knifeworks ship the WY40?＋

About 99% of Knifeworks orders ship the same business day they're placed. Orders that don't ship same-day typically go out within 24–72 business hours.

Where is the WY40 made?＋

The WY40 is made in the United States.

#10-24 THREAD · STAINLESS STEEL · TOOL-FREE WING SCREW · FITS SAW I AND II

A stainless steel replacement wing screw for the Wyoming Saw I and II.

#10-24 threading, tool-free wing design, 0.4 oz. Compatible with WY22, WY23, WY31, and WY32 blades. A simple, durable fix for a lost or worn blade retainer screw.

Knifeworks ships this part same or next business day from Columbia, Louisiana. Questions? Call 888-225-9775 — we carry these parts daily.

Shop All Wyoming Knife Parts at Knifeworks →