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About Thumb Screw and Binding Post Materials
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Stainless Steel Flared-Collar Knurled-Head Thumb Screws
Made from 18-8 stainless steel, these thumb screws are chemical resistant and may be mildly magnetic. They have a slightly raised head and a decorative flared collar. The head is knurled for slip-resistant controlled adjustment. Length is measured from under the flange.
For technical drawings and 3-D models, click on a part number.
Head | Collar | |||||||
|---|---|---|---|---|---|---|---|---|
| Lg. | Dia. | Ht. | Dia. | Ht. | Tensile Strength, psi  | Hardness | Each | |
18-8 Stainless Steel | ||||||||
M2.5 × 0.45 mm | ||||||||
| 4mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 00000 |
| 8mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 10mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 12mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 16mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 0000 |
| 24mm | 7mm | 3mm | 5mm | 3.5mm | 80,000 | Rockwell B85 | 000000000 | 0000 |