Morton Machine Works
125 Gearhart Street
Millersburg, PA 17061

Phone: 800-441-2751
Fax: 717-629-2120
Email: sales@mortonmachine.com
Website: www.mortonmachine.com
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  • Made from 303 stainless steel
  • Diamond knurl on head
  • Longer head length than standard thumb screw.
Product Image - Precision Stainless Steel Thumb Screws
Dimensional Drawing
Unit of Measure
1 2 

Item #

Item Name

Material

Thread (A)

D

B

C

List Price

4520 N/A Thumb Screws N/A Stainless N/A 4-40 N/A 5/8 in N/A 3/16 in N/A 3/8 in $2.75
4118 N/A Thumb Screws N/A Stainless N/A 4-40 N/A 1 in N/A 3/16 in N/A 3/8 in $2.50
4521 N/A Thumb Screws N/A Stainless N/A 6-32 N/A 3/8 in N/A 3/16 in N/A 3/8 in $2.75
4522 N/A Thumb Screws N/A Stainless N/A 6-32 N/A 5/8 in N/A 3/16 in N/A 3/8 in $2.85
4120 N/A Thumb Screws N/A Stainless N/A 6-32 N/A 3/4 in N/A 3/16 in N/A 3/8 in $2.40
4122 N/A Thumb Screws N/A Stainless N/A 6-32 N/A 1 in N/A 3/16 in N/A 3/8 in $2.50
4125 N/A Thumb Screws N/A Stainless N/A 6-32 N/A 1.25 in N/A 3/16 in N/A 3/8 in $2.50
4523 N/A Thumb Screws N/A Stainless N/A 8-32 N/A 3/8 in N/A 3/16 in N/A 3/8 in $2.85
4219 N/A Thumb Screws N/A Stainless N/A 8-32 N/A 1/2 in N/A 3/16 in N/A 3/8 in $2.45
4220 N/A Thumb Screws N/A Stainless N/A 8-32 N/A 3/4 in N/A 3/16 in N/A 3/8 in $2.50
4228 N/A Thumb Screws N/A Stainless N/A 8-32 N/A 1 in N/A 3/16 in N/A 3/8 in $2.50
4231 N/A Thumb Screws N/A Stainless N/A 8-32 N/A 1.25 in N/A 3/16 in N/A 3/8 in $2.60
4310 N/A Thumb Screws N/A Stainless N/A 10-24 N/A 1/2 in N/A 1/4 in N/A 1/2 in $3.00
4311 N/A Thumb Screws N/A Stainless N/A 10-24 N/A 3/4 in N/A 1/4 in N/A 1/2 in $3.05
4326 N/A Thumb Screws N/A Stainless N/A 10-24 N/A 1 in N/A 1/4 in N/A 1/2 in $3.05
4327 N/A Thumb Screws N/A Stainless N/A 10-24 N/A 1.25 in N/A 1/4 in N/A 1/2 in $3.15
4359 N/A Thumb Screws N/A Stainless N/A 10-32 N/A 1/2 in N/A 1/4 in N/A 1/2 in $3.00
4360 N/A Thumb Screws N/A Stainless N/A 10-32 N/A 3/4 in N/A 1/4 in N/A 1/2 in $3.05
4374 N/A Thumb Screws N/A Stainless N/A 10-32 N/A 1 in N/A 1/4 in N/A 1/2 in $3.15
4375 N/A Thumb Screws N/A Stainless N/A 10-32 N/A 1.25 in N/A 1/4 in N/A 1/2 in $3.35
4410 N/A Thumb Screws N/A Stainless N/A 1/4-20 N/A 1/2 in N/A 5/16 in N/A 1/2 in $3.15
4411 N/A Thumb Screws N/A Stainless N/A 1/4-20 N/A 3/4 in N/A 5/16 in N/A 1/2 in $3.15
4413 N/A Thumb Screws N/A Stainless N/A 1/4-20 N/A 1 in N/A 5/16 in N/A 1/2 in $3.10
4524 N/A Thumb Screws N/A Stainless N/A 1/4-20 N/A 1.25 in N/A 5/16 in N/A 1/2 in $3.15
4436 N/A Thumb Screws N/A Stainless N/A 1/4-20 N/A 1-1/2 in N/A 5/16 in N/A 1/2 in $4.30
Unit of Measure
1 2