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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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Unit of Measure
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Item #

OD

Material

Head Diameter

Shoulder Diameter

REF Shoulder Diameter

Male Thread

Head Length

Shoulder Length

Thread Length

Quantity
BR7551-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.25 N/A 3/8
BR7552-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.3125 N/A 3/8
BR7553-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.375 N/A 3/8
BR7554-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.5 N/A 3/8
BR7555-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.625 N/A 3/8
BR7556-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.75 N/A 3/8
BR7557-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 0.875 N/A 3/8
BR7558-00 N/A 7/16 N/A Brass N/A 7/16 N/A 0.312 N/A 5/16 N/A 1/4-20 N/A 7/32 N/A 1 N/A 3/8
BR7559-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.25 N/A 3/8
BR7560-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.3125 N/A 3/8
BR7561-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.375 N/A 3/8
BR7562-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.5 N/A 3/8
BR7563-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.625 N/A 3/8
BR7564-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.75 N/A 3/8
BR7565-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 0.875 N/A 3/8
BR7566-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 1/4-20 N/A 7/32 N/A 1 N/A 3/8
BR7567-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.25 N/A 7/16
BR7568-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.3125 N/A 7/16
BR7569-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.375 N/A 7/16
BR7570-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.5 N/A 7/16
BR7571-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.625 N/A 7/16
BR7572-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.75 N/A 7/16
BR7573-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 0.875 N/A 7/16
BR7574-00 N/A 1/2 N/A Brass N/A 1/2 N/A 0.3745 N/A 3/8 N/A 5/16-18 N/A 7/32 N/A 1 N/A 7/16
BR7575-00 N/A 5/8 N/A Brass N/A 5/8 N/A 0.4995 N/A 1/2 N/A 3/8-16 N/A 1/4 N/A 0.25 N/A 1/2
Unit of Measure
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