GRACO Thumb Screw - (SKU: 16M558) Inspect the plate and tie

Inspect the plate and tie rods for wear or damage during routine maintenance

Spring Belleville Washer

Ensure the pump is installed according to the manufacturer’s instructions and local regulations

The material is not explicitly stated but is likely a combination of flexible plastic and conductive elements

GRACO Thumb Screw - (SKU: 16M558) Inspect the plate and tieThe GRACO 16M558 is a thumb screw, an OEM part manufactured by GRACO Inc. It is designed for use in GRACO spray equipment, providing a secure and adjustable fastening solution. The material is not specified in available sources. Key Features: Screw 16M558 Designed for use in GRACO spray equipment Thumb screw design for easy manual adjustment OEM part for reliable fit and function Applications: Used in GRACO spray equipment for fastening and adjustment