48S199 - Walter M6 x 15mm Replacement Set Screw

Heavy-Duty M6 x 15mm Industrial Set Screw

The Walter 48S199 is a high-grade M6 x 15mm grub screw designed for industrial fastening applications. In mechanical engineering and machine repair, the precision of a fastener defines the reliability of the assembly. This headless screw, featuring a fully threaded body and an internal hex drive, is engineered to generate strong compression forces to secure objects within or against another object. It is most commonly utilized to prevent relative motion between two rotating parts, such as locking a collar onto a shaft or securing a tool bit in a holder.

Constructed from hardened alloy steel, this set screw offers superior resistance to deformation under load. The M6 metric thread profile is machined to strict tolerances, ensuring smooth engagement and high resistance to vibrational loosening—a critical factor in welding and fabrication environments where equipment is subjected to constant mechanical stress. The 15mm length provides ample thread engagement, distributing the clamping force effectively to prevent stripping of the tapped hole or damage to the mating surface.

Technical Application and Installation

Installation of the 48S199 requires a standard metric hex key (Allen wrench). The internal hex drive allows for the application of significant torque without the risk of cam-out associated with slotted or Phillips drives. Because the screw is headless, it can be driven entirely into the workpiece, sitting flush or below the surface. This flush-mount capability is essential for safety in rotating machinery, as it eliminates protruding heads that could catch on clothing or interfere with other moving parts.

While specifically cataloged as a replacement part for Walter Surface Technologies equipment, the standard M6 x 15mm dimensions make this grub screw a versatile component for any maintenance repair and operations (MRO) inventory. It is suitable for use in jigs, fixtures, custom fabrication projects, and general machinery repair where a robust, flush-fitting metric fastener is required. Ensure the receiving threads are clean and free of debris before installation to guarantee maximum holding power.

Key Specifications:

• Thread Standard: Metric ISO (M6)
• Total Length: 15mm
• Drive Style: Internal Hexagon (Socket)
• Head Style: Headless (Blind)
• Material: Industrial Grade Steel