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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.

brass-round-plain-thumb-screw1
Unit of Measure
1 2 3 

Item #

Material

Thread Length

Head Diameter

Male Thread

Head Length

OD

OAL

Part Description

BR7620-00 N/A Brass 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 Brass Plain Thumb Screw
BR7621-00 N/A Brass 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 Brass Plain Thumb Screw
BR7622-00 N/A Brass 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 Brass Plain Thumb Screw
BR7623-00 N/A Brass 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 Brass Plain Thumb Screw
BR7624-00 N/A Brass 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 Brass Plain Thumb Screw
BR7625-00 N/A Brass 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 Brass Plain Thumb Screw
BR7626-00 N/A Brass 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 Brass Plain Thumb Screw
BR7627-00 N/A Brass 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 Brass Plain Thumb Screw
BR7628-00 N/A Brass 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 Brass Plain Thumb Screw
BR7629-00 N/A Brass 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 Brass Plain Thumb Screw
BR7630-00 N/A Brass 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 Brass Plain Thumb Screw
BR7631-00 N/A Brass 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 Brass Plain Thumb Screw
BR7632-00 N/A Brass 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 Brass Plain Thumb Screw
BR7633-00 N/A Brass 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 Brass Plain Thumb Screw
BR7634-00 N/A Brass 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 Brass Plain Thumb Screw
BR7635-00 N/A Brass 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 Brass Plain Thumb Screw
BR7636-00 N/A Brass 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 Brass Plain Thumb Screw
BR7637-00 N/A Brass 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 Brass Plain Thumb Screw
BR7638-00 N/A Brass 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 Brass Plain Thumb Screw
BR7639-00 N/A Brass 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 Brass Plain Thumb Screw
BR7640-00 N/A Brass 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 Brass Plain Thumb Screw
BR7641-00 N/A Brass 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 Brass Plain Thumb Screw
BR7642-00 N/A Brass 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 Brass Plain Thumb Screw
SS7620-00 N/A Stainless 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 Stainless Steel Plain Thumb Screw
SS7621-00 N/A Stainless 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 Stainless Steel Plain Thumb Screw
Unit of Measure
1 2 3