The Lyn-tron Slotted Precision Shoulder Screw is engineered for tight-tolerance applications requiring consistent alignment and rotation. Manufactured in the USA, these precision components are crafted from high-quality materials to deliver durability and performance in mechanical and electronic assemblies.

Featuring a slotted drive and precisely machined shoulder, this screw provides accurate spacing and alignment for mating parts, reducing wear and ensuring reliable function over time. The shoulder serves as a fixed bearing surface, making it ideal for use in pivot points, pulleys, linkages, and dies.

Lyn-tron, a trusted OneMonroe brand, is known for superior American-made fasteners that meet or exceed industry standards. Available in a range of diameters, lengths, and shoulder sizes, these shoulder screws support demanding OEM and MRO needs across aerospace, medical, robotics, instrumentation, and other precision industries.

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OD

Shoulder Diameter

Male Thread

Shoulder Length

Thread Length

Item #

OD

Material

Head Diameter

Shoulder Diameter

REF Shoulder Diameter

Male Thread

Head Length

Shoulder Length

Thread Length

N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.125 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.1875 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.25 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.3125 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.375 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.4375 N/A 5/32
N/A 1/4 N/A Brass N/A 1/4 N/A 0.1245 N/A 1/8 N/A 4-40 N/A 1/8 N/A 0.5 N/A 5/32
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.125 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.1875 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.25 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.3125 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.375 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.4375 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.5 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.5625 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.625 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.6875 N/A 3/16
N/A 9/32 N/A Brass N/A 9/32 N/A 0.156 N/A 5/32 N/A 6-32 N/A 1/8 N/A 0.75 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.125 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.1875 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.25 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.3125 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.375 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.4375 N/A 3/16
N/A 5/16 N/A Brass N/A 5/16 N/A 0.187 N/A 3/16 N/A 8-32 N/A 5/32 N/A 0.5 N/A 3/16
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