Canadian owned and operated
The Walter 48S221 is a specialized Tapping Screw (St) with dimensions of 2.9mm x 8mm, designed for use in the repair and assembly of Walter Surface Technologies power tools. For welders, fabricators, and tool repair technicians, having access to the correct hardware is essential for minimizing downtime and ensuring equipment reliability. This screw is engineered to cut its own mating threads into the material—typically plastic or soft metal housings found in power tools—creating a tight, vibration-resistant friction fit that standard machine screws cannot achieve without a pre-tapped hole.
Constructed from durable steel, this fastener is built to handle the mechanical stresses associated with industrial power tools. The "St" designation confirms its steel composition, providing the necessary hardness to drive into the host material without deforming. The 2.9mm thread diameter is a specific metric size often used in the compact assemblies of angle grinders, linear finishers, and magnetic drills. The 8mm length is calculated to provide sufficient thread engagement for maximum holding power without protruding excessively or interfering with internal moving parts like armatures or fans.
When repairing tools such as the Walter Big Buff, Line-Mate, or various angle grinders, using the correct screw is critical. A screw that is too long can damage internal wiring or electronics, while one that is too short may fail under load. The 48S221 eliminates these risks. Its head design (typically pan or countersunk depending on the specific application location) ensures a flush or low-profile finish that does not snag on gloves or workpieces. This part is an essential inventory item for any shop that relies on Walter tools for their daily surface finishing and preparation tasks.
Technical Highlights:
| Additional Information |
|---|
| Packaging Description:1 per each |
| Product Type:Tapping Screw |
| Material:Steel |
| Dimensions:2.9mm x 8mm |
| Thread Type:Self-Tapping |
