Our Plain Thumb Screws come in all common threads with a variety of thread lengths. The high-quality knurl allows for an easy grip to tighten these screws into place by hand, but also provides a decorative and unique appearance. 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

Head Diameter

Male Thread

Head Length

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OAL

Part Description

N/A Stainless Steel N/A 7/16 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 5/8 N/A 4-40 Male Thread x 7/16 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 1/2 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 11/16 N/A 4-40 Male Thread x 1/2 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 5/16 N/A 5/16 N/A 6-32 N/A 3/16 N/A 5/16 N/A 1/2 N/A 6-32 Male Thread x 5/16 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 3/8 N/A 5/16 N/A 6-32 N/A 3/16 N/A 5/16 N/A 9/16 N/A 6-32 Male Thread x 3/8 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 7/16 N/A 5/16 N/A 6-32 N/A 3/16 N/A 5/16 N/A 5/8 N/A 6-32 Male Thread x 7/16 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 1/2 N/A 5/16 N/A 6-32 N/A 3/16 N/A 5/16 N/A 11/16 N/A 6-32 Male Thread x 1/2 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 3/8 N/A 3/8 N/A 8-32 N/A 3/16 N/A 3/8 N/A 9/16 N/A 8-32 Male Thread x 3/8 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 7/16 N/A 3/8 N/A 8-32 N/A 3/16 N/A 3/8 N/A 5/8 N/A 8-32 Male Thread x 7/16 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 1/2 N/A 3/8 N/A 8-32 N/A 3/16 N/A 3/8 N/A 11/16 N/A 8-32 Male Thread x 1/2 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 9/16 N/A 3/8 N/A 8-32 N/A 3/16 N/A 3/8 N/A 3/4 N/A 8-32 Male Thread x 9/16 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 5/8 N/A 3/8 N/A 8-32 N/A 3/16 N/A 3/8 N/A 13/16 N/A 8-32 Male Thread x 5/8 Thread Length Stainless Steel Plain Thumb Screw
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 9/16 N/A 10-32 Male Thread x 3/8 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 7/16 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 5/8 N/A 10-32 Male Thread x 7/16 Thread Length Stainless Steel Plain 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 11/16 N/A 10-32 Male Thread x 1/2 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 9/16 N/A 7/16 N/A 10-32 N/A 3/16 N/A 7/16 N/A 3/4 N/A 10-32 Male Thread x 9/16 Thread Length Stainless Steel Plain 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 13/16 N/A 10-32 Male Thread x 5/8 Thread Length Stainless Steel Plain 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 3/4 N/A 1/4-20 Male Thread x 1/2 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 9/16 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 13/16 N/A 1/4-20 Male Thread x 9/16 Thread Length Stainless Steel Plain 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 7/8 N/A 1/4-20 Male Thread x 5/8 Thread Length Stainless Steel Plain Thumb Screw
N/A Stainless Steel N/A 11/16 N/A 1/2 N/A 1/4-20 N/A 1/4 N/A 1/2 N/A 15/16 N/A 1/4-20 Male Thread x 11/16 Thread Length Stainless Steel Plain 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 1 N/A 1/4-20 Male Thread x 3/4 Thread Length Stainless Steel Plain Thumb Screw
N/A Steel N/A 5/16 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 1/2 N/A 4-40 Male Thread x 5/16 Thread Length Steel Plain Thumb Screw
N/A Steel N/A 3/8 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 9/16 N/A 4-40 Male Thread x 3/8 Thread Length Steel Plain Thumb Screw
N/A Steel N/A 7/16 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 5/8 N/A 4-40 Male Thread x 7/16 Thread Length Steel Plain Thumb Screw
N/A Steel N/A 1/2 N/A 5/16 N/A 4-40 N/A 3/16 N/A 5/16 N/A 11/16 N/A 4-40 Male Thread x 1/2 Thread Length Steel Plain Thumb Screw
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