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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  • Precision thumb screw for a wide variety of applications
  • 303 stainless steel or carbon steel with black oxide finish
  • Diamond knurl on head
  • Shoulder provides an excellent bearing surface.
Product Image - Precision Thumb Screws (with shoulder)
Dimensional Drawing
Unit of Measure
1 2 3 

Item #

Item Name

Material

Thread (A)

D

B

C

E

F

List Price

3101 N/A Thumb Screws N/A Steel N/A 4-40 N/A 1/4 in N/A 3/8 in N/A 1/4 in N/A 3/16 in N/A 3/32 in $2.50
3102 N/A Thumb Screws N/A Steel N/A 4-40 N/A 3/8 in N/A 3/8 in N/A 1/4 in N/A 3/16 in N/A 3/32 in $2.50
3251 N/A Thumb Screws N/A Steel N/A 4-40 N/A 7/16 in N/A 3/8 in N/A 1/4 in N/A 3/16 in N/A 3/32 in $2.45
3075 N/A Thumb Screws N/A Steel N/A 4-40 N/A 1/2 in N/A 3/8 in N/A 1/4 in N/A 3/32 in N/A 3/32 in $2.25
3252 N/A Thumb Screws N/A Steel N/A 6-32 N/A 3/8 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3202 N/A Thumb Screws N/A Steel N/A 6-32 N/A 7/16 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3253 N/A Thumb Screws N/A Steel N/A 6-32 N/A 1/2 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3204 N/A Thumb Screws N/A Steel N/A 6-32 N/A 9/16 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3205 N/A Thumb Screws N/A Steel N/A 8-32 N/A 5/16 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3206 N/A Thumb Screws N/A Steel N/A 8-32 N/A 3/8 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3207 N/A Thumb Screws N/A Steel N/A 8-32 N/A 7/16 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.65
3208 N/A Thumb Screws N/A Steel N/A 8-32 N/A 1/2 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.85
3209 N/A Thumb Screws N/A Steel N/A 8-32 N/A 9/16 in N/A 7/16 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.85
3301 N/A Thumb Screws N/A Steel N/A 8-32 N/A 5/16 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.05
3302 N/A Thumb Screws N/A Steel N/A 8-32 N/A 3/8 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.05
3303 N/A Thumb Screws N/A Steel N/A 8-32 N/A 7/16 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.10
3304 N/A Thumb Screws N/A Steel N/A 8-32 N/A 1/2 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.25
3305 N/A Thumb Screws N/A Steel N/A 8-32 N/A 5/8 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.25
3401 N/A Thumb Screws N/A Steel N/A 10-32 N/A 5/16 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.95
3402 N/A Thumb Screws N/A Steel N/A 10-32 N/A 3/8 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $2.95
3403 N/A Thumb Screws N/A Steel N/A 10-32 N/A 7/16 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.15
3404 N/A Thumb Screws N/A Steel N/A 10-32 N/A 1/2 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.30
3405 N/A Thumb Screws N/A Steel N/A 10-32 N/A 9/16 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.30
3406 N/A Thumb Screws N/A Steel N/A 10-32 N/A 5/8 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.35
3076 N/A Thumb Screws N/A Steel N/A 10-32 N/A 3/4 in N/A 1/2 in N/A 3/8 in N/A 5/16 in N/A 3/32 in $3.45
Unit of Measure
1 2 3