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  3. Thumb Screws
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Thumb Screws

Knurled thumb screws are best in applications where finger pressure can supply sufficient tightening torque. If more torque is needed a Type A or B can give a greater mechanical advantage. Shoulders on thumb screws cover the pre-tapped holes and create a positive stop seating the screw flush to mating surface. The shoulder can also help prevent over tightening.

Select Head Style

Knurled - Plain - No Shoulder
Knurled - Plain - No Shoulder
Knurled - with Washer Face
Knurled - with Washer Face
No Shoulder - Type B
No Shoulder - Type B
With Shoulder - Type A
With Shoulder - Type A
Displaying 201 - 225 of 238 Results
5/16-18X2 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3140T
200
$130.98
-+
5/16-18X2 1/2 Thumb Screw Plain Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
3140T188
100
$199.94
-+
5/16-18X2 1/2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3140TS
300
$262.29
-+
5/16-18X3 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3148T
200
$151.66
-+
5/16-18X3 Thumb Screw Plain Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
3148T188
100
$363.66
-+
5/16-18X3 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3148TS
300
$291.83
-+
5/16-18X3 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3156T
200
$214.25
-+
5/16-18X4 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3164T
200
$274.99
-+
5/16-18X4 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3164TS
200
$253.84
-+
3/8-16X3/4 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3712T
200
$112.77
-+
3/8-16X3/4 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3712TS
300
$155.30
-+
3/8-16X3/4 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
3712TS188
300
$564.36
-+
3/8-16X1 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3716T
200
$147.32
-+
3/8-16X1 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
3716TS188
300
$1,114.34
-+
3/8-16X1 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3716TS
300
$169.22
-+
3/8-16X1 1/4 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3720T
200
$173.46
-+
3/8-16X1 1/4 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3720TS
300
$477.90
-+
3/8-16X1 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3724T
150
$115.71
-+
3/8-16X1 1/2 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
3724TS188
300
$689.77
-+
3/8-16X1 1/2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3724TS
300
$187.87
-+
3/8-16X2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3732T
150
$135.33
-+
3/8-16X2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3732TS
200
$127.34
-+
3/8-16X2 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3740T
150
$241.07
-+
3/8-16X2 1/2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3740TS
200
$196.57
-+
3/8-16X3 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
3748T
150
$187.44
-+