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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 151 - 175 of 238 Results
1/4-20X1 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1416TS188
600
$738.78
-+
1/4-20X1 Thumb Screw With Shoulder Full Thread Black Oxide and Oil
Product SKU:
Box Count:
Price Per Box:
1416TSB
600
$270.54
-+
1/4-20X1 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1416T
600
$133.92
-+
1/4-20X1 1/4 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1420T
600
$193.34
-+
1/4-20X1 1/4 Thumb Screw Fully Thread Black Oxide
Product SKU:
Box Count:
Price Per Box:
1420TB
600
$241.67
-+
1/4-20X1 1/4 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1420TS
600
$205.85
-+
1/4-20X1 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1424T
600
$206.80
-+
1/4-20X1 1/2 Thumb Screw Plain Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1424T188
600
$839.36
-+
1/4-20X1 1/2 Thumb Screw Fully Thread Black Oxide
Product SKU:
Box Count:
Price Per Box:
1424TB
600
$258.49
-+
1/4-20X1 1/2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1424TS
600
$225.97
-+
1/4-20X1 1/2 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1424TS188
600
$644.91
-+
1/4-20X1 1/2 Thumb Screw With Shoulder Full Thread Black Oxide and Oil
Product SKU:
Box Count:
Price Per Box:
1424TSB
600
$282.46
-+
1/4-20X1 3/4 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1428T
600
$315.81
-+
1/4-20X1 3/4 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1428TS
600
$315.81
-+
1/4-20X2 Thumb Screw Plain Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1432T188
300
$494.68
-+
1/4-20X2 Thumb Screw Fully Thread Black Oxide
Product SKU:
Box Count:
Price Per Box:
1432TB
600
$287.36
-+
1/4-20X2 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1432TS188
600
$631.79
-+
1/4-20X2 Thumb Screw With Shoulder Full Thread Black Oxide and Oil
Product SKU:
Box Count:
Price Per Box:
1432TSB
600
$264.99
-+
1/4-20X2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1432T
600
$197.91
-+
1/4-20X2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1432TS
600
$158.99
-+
1/4-20X2 1/2 Thumb Screw Plain Fully Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1440T
400
$156.63
-+
1/4-20X2 1/2 Thumb Screw Plain Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1440T188
200
$362.04
-+
1/4-20X2 1/2 Thumb Screw Fully Thread Black Oxide
Product SKU:
Box Count:
Price Per Box:
1440TB
400
$201.16
-+
1/4-20X2 1/2 Thumb Screw With Shoulder Full Thread 18-8 Stainless Steel
Product SKU:
Box Count:
Price Per Box:
1440TS188
500
$606.47
-+
1/4-20X2 1/2 Thumb Screw With Shoulder Full Thread Zinc
Product SKU:
Box Count:
Price Per Box:
1440TS
500
$296.67
-+