Grub Screw Ss M5 5Mm

Fits AACO MOTOR 70W INTER B9 which requires 3 screws

Grub Screw Stainless Steel M5 x 5mm – Precision Fixing for Secure Component Assembly

Product Summary

The Stainless Steel M5 x 5mm Grub Screw is a durable and corrosion-resistant fastener ideal for securing components within boilers, burners, pumps, and other heating system assemblies. With its compact size and hex socket head, this grub screw is designed for precise, secure fitting where traditional screws or bolts are impractical. Commonly used in fan motors, oil pump couplings, burner shafts, and control units, it's an essential item in every heating engineer’s toolkit.

Key Features

• Size: M5 diameter x 5mm length

• Hex socket head for secure tightening using an Allen key

• Made from stainless steel – excellent corrosion and rust resistance

• Ideal for securing components such as fan blades, pump shafts, burner couplings, and more

• Compact and discreet fixing solution

• Engineered for precision, reliability, and long-lasting performance

Compatible Boiler Models & Uses

Used across a wide range of domestic and commercial appliances, this M5 x 5mm grub screw is compatible with components in:

• Worcester Bosch, Riello, Grant, Firebird, Ideal, and Baxi boilers

• Oil burner shaft couplings and fan motors

• Circulating pump shafts and rotating components

• Heating system enclosures and electrical terminal fixings

(Always refer to manufacturer guidelines for compatibility.)

When to Replace

• When the original grub screw is worn, corroded, or stripped

• During routine maintenance or part replacement

• If components have become loose or misaligned

• When installing new burner motors, fans, or pump couplings

Technical Specifications

• Thread Size: M5

• Length: 5mm

• Material: Stainless Steel (Grade A2 or equivalent)

• Drive Type: Hex socket (Allen key)

• Corrosion Resistance: High – suitable for heating and damp environments

• Thread Type: Metric, coarse pitch