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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. The round shape provide a nice finished look. Base metal is yellow, but many plating options are available when different colors are required.

precision-shoulder-screw-slot_large
Unit of Measure
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Item #

Thread Length

Socket

Head Diameter

Male Thread

Shoulder Diameter

Head Length

Shoulder Length

OD

REF Shoulder Diameter

REF Shoulder Length

Socket Depth

Part Description

ST7537-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.25 N/A 3/8 N/A 1/4 N/A 1/4 N/A 0 N/A 1/4 x 1/4 Slotted Precision Shoulder Screw
ST7538-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.3125 N/A 3/8 N/A 1/4 N/A 5/16 N/A 0 N/A 1/4 x 5/16 Slotted Precision Shoulder Screw
ST7539-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.375 N/A 3/8 N/A 1/4 N/A 3/8 N/A 0 N/A 1/4 x 3/8 Slotted Precision Shoulder Screw
ST7540-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.4375 N/A 3/8 N/A 1/4 N/A 7/16 N/A 0 N/A 1/4 x 7/16 Slotted Precision Shoulder Screw
ST7541-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.5 N/A 3/8 N/A 1/4 N/A 1/2 N/A 0 N/A 1/4 x 1/2 Slotted Precision Shoulder Screw
ST7542-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.5625 N/A 3/8 N/A 1/4 N/A 9/16 N/A 0 N/A 1/4 x 9/16 Slotted Precision Shoulder Screw
ST7543-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.625 N/A 3/8 N/A 1/4 N/A 5/8 N/A 0 N/A 1/4 x 5/8 Slotted Precision Shoulder Screw
ST7544-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.6875 N/A 3/8 N/A 1/4 N/A 11/16 N/A 0 N/A 1/4 x 11/16 Slotted Precision Shoulder Screw
ST7545-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.75 N/A 3/8 N/A 1/4 N/A 3/4 N/A 0 N/A 1/4 x 3/4 Slotted Precision Shoulder Screw
ST7546-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 0.875 N/A 3/8 N/A 1/4 N/A 7/8 N/A 0 N/A 1/4 x 7/8 Slotted Precision Shoulder Screw
ST7547-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 1 N/A 3/8 N/A 1/4 N/A 1 N/A 0 N/A 1/4 x 1 Slotted Precision Shoulder Screw
ST7548-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 1.25 N/A 3/8 N/A 1/4 N/A 1 1/4 N/A 0 N/A 1/4 x 1 1/4 Slotted Precision Shoulder Screw
ST7549-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 1.375 N/A 3/8 N/A 1/4 N/A 1 3/8 N/A 0 N/A 1/4 x 1 3/8 Slotted Precision Shoulder Screw
ST7550-00 N/A 1/4 N/A 0 N/A 3/8 N/A 10-32 N/A 0.2495 N/A 3/16 N/A 1.5 N/A 3/8 N/A 1/4 N/A 1 1/2 N/A 0 N/A 1/4 x 1 1/2 Slotted Precision Shoulder Screw
ST7551-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.25 N/A 7/16 N/A 5/16 N/A 1/4 N/A 0 N/A 5/16 x 1/4 Slotted Precision Shoulder Screw
ST7552-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.3125 N/A 7/16 N/A 5/16 N/A 5/16 N/A 0 N/A 5/16 x 5/16 Slotted Precision Shoulder Screw
ST7553-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.375 N/A 7/16 N/A 5/16 N/A 3/8 N/A 0 N/A 5/16 x 3/8 Slotted Precision Shoulder Screw
ST7554-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.5 N/A 7/16 N/A 5/16 N/A 1/2 N/A 0 N/A 5/16 x 1/2 Slotted Precision Shoulder Screw
ST7555-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.625 N/A 7/16 N/A 5/16 N/A 5/8 N/A 0 N/A 5/16 x 5/8 Slotted Precision Shoulder Screw
ST7556-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.75 N/A 7/16 N/A 5/16 N/A 3/4 N/A 0 N/A 5/16 x 3/4 Slotted Precision Shoulder Screw
ST7557-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 0.875 N/A 7/16 N/A 5/16 N/A 7/8 N/A 0 N/A 5/16 x 7/8 Slotted Precision Shoulder Screw
ST7558-00 N/A 3/8 N/A 0 N/A 7/16 N/A 1/4-20 N/A 0.312 N/A 7/32 N/A 1 N/A 7/16 N/A 5/16 N/A 1 N/A 0 N/A 5/16 x 1 Slotted Precision Shoulder Screw
ST7559-00 N/A 3/8 N/A 0 N/A 1/2 N/A 1/4-20 N/A 0.3745 N/A 7/32 N/A 0.25 N/A 1/2 N/A 3/8 N/A 1/4 N/A 0 N/A 3/8 x 1/4 Slotted Precision Shoulder Screw
ST7560-00 N/A 3/8 N/A 0 N/A 1/2 N/A 1/4-20 N/A 0.3745 N/A 7/32 N/A 0.3125 N/A 1/2 N/A 3/8 N/A 5/16 N/A 0 N/A 3/8 x 5/16 Slotted Precision Shoulder Screw
ST7561-00 N/A 3/8 N/A 0 N/A 1/2 N/A 1/4-20 N/A 0.3745 N/A 7/32 N/A 0.375 N/A 1/2 N/A 3/8 N/A 3/8 N/A 0 N/A 3/8 x 3/8 Slotted Precision Shoulder Screw
Unit of Measure
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