Class A/B/C/D
ASTM A453 Grade 660 Set Screws Class A, B, C & D, also know as grub screws offered at TorqBolt are manufactured in accordance with DIN 915, 916, 427, 553, 914, 438, 960, 551, 913; ISO 4029, 7434, 8765, 4766, 7436, ASME B18.6.2 & UNI 5929 standards in metric and imperial coarse and fine thread sizes with UNC, UN, UNF, UNEF, UNJF & ISO threads.
| Screws | DIN | ISO | BS | ASME | IS | NFE | UNI | |
|---|---|---|---|---|---|---|---|---|
| Mertic | Imperial | |||||||
| Slotted Headless Set Screws | - | - | - | - | B18.6.2 | - | - | - |
| Slotted Set Screws Part Thread | 427 | - | - | - | - | - | - | - |
| Slotted Set Screws With Cone Point | 553 / 914 | 7434 | - | - | - | - | - | - |
| Slotted Set Screws With Cup Point | 438 / 916 / 960 | 8765 | - | - | - | - | - | - |
| Slotted Set Screws With Flat Point | 551 / 913 | 4766 | - | - | - | - | - | - |
| Slotted Set Screws With Pins | - | 7436 | - | - | - | - | - | - |
| Socket Set Screws Cone Point | - | - | 2470 | - | - | - | - | - |
| Socket Set Screws Cup Point | - | - | 2470 | - | - | - | - | - |
| Socket Set Screws Dog Point | 915 | - | 2470 | - | - | - | - | - |
| Socket Set Screws Flat Point | - | - | 2470 | - | - | - | - | - |
| Square Head Set Screws | - | - | 4168 | - | B18.6.2 | - | - | - |
