Lyn-Tron's Washer Thumb Screws are designed to be installed by hand rather than by hand tools or power tools. The high-quality knurl provides a non-slip surface to grip onto. In addition, the washer face provides a decorative appearance, but also adds clearance between the head and mating part making these screws easy to unscrew compared to a plain thumb screw. The round shape provide a nice finished look. Base metal is yellow, but many plating options are available when different colors are required.

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Thread Length

Male Thread

Head Length

OD

Item #

Material

Thread Length

Head Diameter

Male Thread

Head Length

OD

Washer Dia

OAL

Part Description

N/A Stainless Steel N/A 3/8 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 11/16 N/A 10-32 Male Thread x 3/8 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 1/2 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 13/16 N/A 10-32 Male Thread x 1/2 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 5/8 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 15/16 N/A 10-32 Male Thread x 5/8 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 3/8 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 3/4 N/A 1/4-20 Male Thread x 3/8 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 1/2 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 7/8 N/A 1/4-20 Male Thread x 1/2 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 5/8 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 1 N/A 1/4-20 Male Thread x 5/8 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Stainless Steel N/A 3/4 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 1-1/8 N/A 1/4-20 Male Thread x 3/4 Thread Length Stainless Steel Washer Face Thumb Screw
N/A Steel N/A 5/16 N/A 3/8 N/A 4-40 N/A 3/16 N/A 3/8 N/A 3/8 N/A 5/8 N/A 4-40 Male Thread x 5/16 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/8 N/A 3/8 N/A 4-40 N/A 3/16 N/A 3/8 N/A 3/8 N/A 11/16 N/A 4-40 Male Thread x 3/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 7/16 N/A 3/8 N/A 4-40 N/A 3/16 N/A 3/8 N/A 3/8 N/A 3/4 N/A 4-40 Male Thread x 7/16 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/8 N/A 3/8 N/A 6-32 N/A 3/16 N/A 3/8 N/A 3/8 N/A 11/16 N/A 6-32 Male Thread x 3/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 7/16 N/A 3/8 N/A 6-32 N/A 3/16 N/A 3/8 N/A 3/8 N/A 3/4 N/A 6-32 Male Thread x 7/16 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 1/2 N/A 3/8 N/A 6-32 N/A 3/16 N/A 3/8 N/A 3/8 N/A 13/16 N/A 6-32 Male Thread x 1/2 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/8 N/A 7/16 N/A 8-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 11/16 N/A 8-32 Male Thread x 3/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 1/2 N/A 7/16 N/A 8-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 13/16 N/A 8-32 Male Thread x 1/2 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 5/8 N/A 7/16 N/A 8-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 15/16 N/A 8-32 Male Thread x 5/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/8 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 11/16 N/A 10-32 Male Thread x 3/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 1/2 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 13/16 N/A 10-32 Male Thread x 1/2 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 5/8 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/8 N/A 15/16 N/A 10-32 Male Thread x 5/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/8 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 3/4 N/A 1/4-20 Male Thread x 3/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 1/2 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 7/8 N/A 1/4-20 Male Thread x 1/2 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 5/8 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 1 N/A 1/4-20 Male Thread x 5/8 Thread Length Steel Washer Face Thumb Screw
N/A Steel N/A 3/4 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 3/8 N/A 1-1/8 N/A 1/4-20 Male Thread x 3/4 Thread Length Steel Washer Face Thumb Screw
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