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Precision Shoulder Screw - Slotted

Shoulder screws, sometimes referred to as shoulder bolts or stripper bolts, get their name from the unique cylindrical shoulder found between the head and the threads of the screw. At Lyn-Tron, we manufacture precision shoulder screws, which are so named for the high tolerance (+/-0.0005) the shoulder diameter is held to.

Precision slotted head shoulder screws are typically offered in the following materials. However, Lyn-tron can also manufacture precision shoulder screws using other materials upon request.

All common thread sizes are stocked in both Inch (4-40, 6-32, 8-32, 10-32 etc.) and Metric (M3, M3.5, M4 etc.). Precision shoulder screw sizes come standard from 1/8" up to 1/2" diameters and in Metric sizes from 3mm to 10mm diameters.

Feel free to contact us today to modify any of our shoulder screw dimensions, or to create a custom fastener to fit your specific application!

What Makes Precision Slotted Shoulder Screws Different?

There are a few key differences between precision slotted head shoulder screws, socket head shoulder screws, and other types of screws

The primary difference between shoulder screws and other standard screws is the unthreaded cylindrical shoulder that separates the head of the screw from the thread. When threaded into an application, the shoulder will stay extended from the top of the surface. This provides a shoulder screw with the unique ability to serve as a guide for moving parts, pivot points, or a shaft for an item that may need to rotate in an assembly.

The next most obvious characteristic of slotted shoulder screws compared to socketed shoulder screws is the fact that the head of the screw features a slotted drive. This allows for a standard flathead screwdriver to drive the screw into place, where a socketed shoulder screw requires a hex key.

Finally, precision shoulder screws are also different from other standard shoulder screws because of the high tolerance (+/-0.0005) the shoulder diameter and length are held to. This allows for a tight, but free fit with nominal-sized components which makes them perfect for use in electronic hardware applications.

Selection Guide

Still not sure which precision shoulder screw is the best for your application? Take the time to review our precision shoulder screw selection guide to find out how to select the right fastener for your unique needs.

More Questions?

Lyn-Tron has been the leading manufacturer of electronic components since 1956! We manufacture a full line of standard electronic hardware, and also have the ability to create custom parts and OEM designed hardware to your print.

We welcome you to Contact us today if you have any questions about selecting the right precision slotted head shoulder screws for your project, or if you have any requests for custom electronic hardware or parts manufacturing.

1/8" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7501 Brass 1/4" 1/8" 1/8" 1/8" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 1/8"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7502 Brass 1/4" 1/8" 1/8" 3/16" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 3/16"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7503 Brass 1/4" 1/8" 1/8" 1/4" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 1/4"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7504 Brass 1/4" 1/8" 1/8" 5/16" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 5/16"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7505 Brass 1/4" 1/8" 1/8" 3/8" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 3/8"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7506 Brass 1/4" 1/8" 1/8" 7/16" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 7/16"
  • Male Thread: #4-40
  • Thread Length: 5/32"
BR7507 Brass 1/4" 1/8" 1/8" 1/2" #4-40 5/32"
  • Material: Brass
  • Head Diameter: 1/4"
  • Head Length: 1/8"
  • Shoulder Diameter: 1/8"
  • Shoulder Length: 1/2"
  • Male Thread: #4-40
  • Thread Length: 5/32"

5/32" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7508 Brass 9/32" 1/8" 5/32" 1/8" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 1/8"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7509 Brass 9/32" 1/8" 5/32" 3/16" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 3/16"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7510 Brass 9/32" 1/8" 5/32" 1/4" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 1/4"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7511 Brass 9/32" 1/8" 5/32" 5/16" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 5/16"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7512 Brass 9/32" 1/8" 5/32" 3/8" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 3/8"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7513 Brass 9/32" 1/8" 5/32" 7/16" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 7/16"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7514 Brass 9/32" 1/8" 5/32" 1/2" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 1/2"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7515 Brass 9/32" 1/8" 5/32" 9/16" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 9/16"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7516 Brass 9/32" 1/8" 5/32" 5/8" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 5/8"
  • Male Thread: #6-32
  • Thread Length: 3/16"
BR7517 Brass 9/32" 1/8" 5/32" 11/16" #6-32 3/16"
  • Material: Brass
  • Head Diameter: 9/32"
  • Head Length: 1/8"
  • Shoulder Diameter: 5/32"
  • Shoulder Length: 11/16"
  • Male Thread: #6-32
  • Thread Length: 3/16"

3/16" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7519 Brass 5/16" 5/32" 3/16" 1/8" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 1/8"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7520 Brass 5/16" 5/32" 3/16" 3/16" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 3/16"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7521 Brass 5/16" 5/32" 3/16" 1/4" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 1/4"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7522 Brass 5/16" 5/32" 3/16" 5/16" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 5/16"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7523 Brass 5/16" 5/32" 3/16" 3/8" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 3/8"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7524 Brass 5/16" 5/32" 3/16" 7/16" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 7/16"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7525 Brass 5/16" 5/32" 3/16" 1/2" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 1/2"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7526 Brass 5/16" 5/32" 3/16" 9/16" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 9/16"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7527 Brass 5/16" 5/32" 3/16" 5/8" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 5/8"
  • Male Thread: #8-32
  • Thread Length: 3/16"
BR7528 Brass 5/16" 5/32" 3/16" 11/16" #8-32 3/16"
  • Material: Brass
  • Head Diameter: 5/16"
  • Head Length: 5/32"
  • Shoulder Diameter: 3/16"
  • Shoulder Length: 11/16"
  • Male Thread: #8-32
  • Thread Length: 3/16"

1/4" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7535 Brass 3/8" 3/16" 1/4" 1/8" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 1/8"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7536 Brass 3/8" 3/16" 1/4" 3/16" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 3/16"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7537 Brass 3/8" 3/16" 1/4" 1/4" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 1/4"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7538 Brass 3/8" 3/16" 1/4" 5/16" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 5/16"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7539 Brass 3/8" 3/16" 1/4" 3/8" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 3/8"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7540 Brass 3/8" 3/16" 1/4" 7/16" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 7/16"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7541 Brass 3/8" 3/16" 1/4" 1/2" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 1/2"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7542 Brass 3/8" 3/16" 1/4" 9/16" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 9/16"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7543 Brass 3/8" 3/16" 1/4" 5/8" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 5/8"
  • Male Thread: #10-32
  • Thread Length: 1/4"
BR7544 Brass 3/8" 3/16" 1/4" 11/16" #10-32 1/4"
  • Material: Brass
  • Head Diameter: 3/8"
  • Head Length: 3/16"
  • Shoulder Diameter: 1/4"
  • Shoulder Length: 11/16"
  • Male Thread: #10-32
  • Thread Length: 1/4"

5/16" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7551 Brass 7/16" 7/32" 5/16" 1/4" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7552 Brass 7/16" 7/32" 5/16" 5/16" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 5/16"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7553 Brass 7/16" 7/32" 5/16" 3/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 3/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7554 Brass 7/16" 7/32" 5/16" 1/2" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 1/2"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7555 Brass 7/16" 7/32" 5/16" 5/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 5/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7556 Brass 7/16" 7/32" 5/16" 3/4" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 3/4"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7557 Brass 7/16" 7/32" 5/16" 7/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 7/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7558 Brass 7/16" 7/32" 5/16" 1" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 7/16"
  • Head Length: 7/32"
  • Shoulder Diameter: 5/16"
  • Shoulder Length: 1"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"

3/8" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7559 Brass 1/2" 7/32" 3/8" 1/4" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 1/4"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7560 Brass 1/2" 7/32" 3/8" 5/16" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 5/16"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7561 Brass 1/2" 7/32" 3/8" 3/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 3/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7562 Brass 1/2" 7/32" 3/8" 1/2" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 1/2"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7563 Brass 1/2" 7/32" 3/8" 5/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 5/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7564 Brass 1/2" 7/32" 3/8" 3/4" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 3/4"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7565 Brass 1/2" 7/32" 3/8" 7/8" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 7/8"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7566 Brass 1/2" 7/32" 3/8" 1" #1/4-20 3/8"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 1"
  • Male Thread: #1/4-20
  • Thread Length: 3/8"
BR7567 Brass 1/2" 7/32" 3/8" 1/4" #5/16-18 7/16"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 1/4"
  • Male Thread: #5/16-18
  • Thread Length: 7/16"
BR7568 Brass 1/2" 7/32" 3/8" 5/16" #5/16-18 7/16"
  • Material: Brass
  • Head Diameter: 1/2"
  • Head Length: 7/32"
  • Shoulder Diameter: 3/8"
  • Shoulder Length: 5/16"
  • Male Thread: #5/16-18
  • Thread Length: 7/16"

1/2" Precision Shoulder Screw - Slotted

Brass

Part Number Material Head Diameter Head Length Shoulder Diameter Shoulder Length Male Thread Thread Length Details
BR7575 Brass 5/8" 1/4" 1/2" 1/4" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 1/4"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7576 Brass 5/8" 1/4" 1/2" 5/16" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 5/16"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7577 Brass 5/8" 1/4" 1/2" 3/8" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 3/8"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7578 Brass 5/8" 1/4" 1/2" 1/2" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 1/2"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7579 Brass 5/8" 1/4" 1/2" 5/8" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 5/8"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7580 Brass 5/8" 1/4" 1/2" 3/4" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 3/4"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7581 Brass 5/8" 1/4" 1/2" 7/8" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 7/8"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"
BR7582 Brass 5/8" 1/4" 1/2" 1" #3/8-16 1/2"
  • Material: Brass
  • Head Diameter: 5/8"
  • Head Length: 1/4"
  • Shoulder Diameter: 1/2"
  • Shoulder Length: 1"
  • Male Thread: #3/8-16
  • Thread Length: 1/2"