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Fine threads give you precise control. A rolling ball swivels 360° to minimize surface damage and allow for slight adjustments without loosening the screw. Made from 18-8 stainless steel, these set screws are chemical resistant and may be mildly magnetic. To install screws in unthreaded holes, use an optional threaded insert (sold separately). Length listed is the overall length.
For technical drawings and 3-D models, click on a part number.
Tip | ||||||
---|---|---|---|---|---|---|
Lg. | Dia. | Material | Drive Size | Hardness | Each | |
6-80 | ||||||
3/8" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 000000 |
7/16" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
1/2" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
37/64" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
3/4" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
7/8" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
1" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
1 1/8" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
1 1/4" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
1 1/2" | 0.094" | Alloy Steel | 5/64" | Not Rated | 000000000 | 00000 |
3/16"-100 | ||||||
3/8" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1/4"-80 | ||||||
3/8" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
1 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 0000 |
2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1/4"-100 | ||||||
3/8" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
1 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
2 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 1/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 1/2" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
3 3/4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
4" | 0.156" | Alloy Steel | 3/32" | Not Rated | 000000000 | 00000 |
Tip | ||||||
---|---|---|---|---|---|---|
Lg., mm | Dia., mm | Material | Drive Size, mm | Hardness | Each | |
M2.5 × 0.2 mm | ||||||
8 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 000000 |
10 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
12 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
15 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
20 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
25 | 1.5 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
M3 × 0.2 mm | ||||||
8 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
10 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
12 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
15 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
20 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
25 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
30 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
33 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
36 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
39 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
M3 × 0.25 mm | ||||||
8 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
10 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
12 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
15 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
20 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
25 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
30 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
33 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
36 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
39 | 1.6 | Alloy Steel | 1.5 | Not Rated | 000000000 | 00000 |
Flange | ||||||
---|---|---|---|---|---|---|
Installed Lg. | Dia. | Thick. | For Max. Hole Dia. | Drill Bit Size | Each | |
6-80 | ||||||
0.25" | 1/4" | 0.03" | 7/32" | 7/32" | 000000000 | 00000 |
0.375" | 1/4" | 0.03" | 7/32" | 7/32" | 000000000 | 0000 |
3/16"-100 | ||||||
0.313" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
0.438" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
0.625" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
0.75" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
1/4"-80 | ||||||
0.313" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.438" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.625" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.75" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
1/4"-100 | ||||||
0.313" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.438" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.625" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
0.75" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
Flange | ||||||
---|---|---|---|---|---|---|
Installed Lg., mm | Dia., mm | Thick., mm | For Max. Hole Dia., mm | Drill Bit Size, mm | Each | |
M2.5 × 0.2 mm | ||||||
7 | 4.5 | 0.5 | 4 | 4 | 000000000 | 00000 |
M3 × 0.2 mm | ||||||
5 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
7 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
9 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
M3 × 0.25 mm | ||||||
5 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
7 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
9 | 4.95 | 0.25 | 4.5 | 4.5 | 000000000 | 0000 |
Fine threads give you precise control. They have a ball bearing tip that adjusts to angled surfaces and minimizes damage from surface contact. They have a lightweight and nonconductive plastic head and chemical-resistant 18-8 stainless steel threads. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the head.
Optional threaded inserts can be used to install these thumb screws into existing holes.
For technical drawings and 3-D models, click on a part number.
Head | ||||||||
---|---|---|---|---|---|---|---|---|
Lg. | Tip Dia. | Dia. | Ht. | Max. Temperature, °F | Color | Tensile Strength, psi | Each | |
18-8 Stainless Steel | ||||||||
3/16"-100 | ||||||||
3/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 000000 |
1" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
1 1/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
1 1/2" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
1 3/4" | 1/8" | 3/8" | 7/16" | 180° | Black | 60,000 | 000000000 | 00000 |
1/4"-80 | ||||||||
3/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
1" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
1 1/4" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
1 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 0000 |
2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
3" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
3 1/2" | 3/16" | 1/2" | 3/4" | 180° | Black | 60,000 | 000000000 | 00000 |
Flange | ||||||
---|---|---|---|---|---|---|
Installed Lg. | Dia. | Thick. | For Max. Hole Dia. | Drill Bit Size | Each | |
Brass | ||||||
3/16"-100 | ||||||
5/16" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 00000 |
7/16" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
5/8" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
3/4" | 0.29" | 0.01" | 1/4" | 1/4" | 000000000 | 0000 |
1/4"-80 | ||||||
5/16" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
7/16" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
5/8" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |
3/4" | 0.352" | 0.01" | 5/16" | 5/16" | 000000000 | 0000 |