Countersunk Socket Head Screw
UNI5933 – DIN 7991
| d | M3 | M4 | M5 |
| D | 6 | 8 | 10 |
| K | 1.7 | 2.3 | 2.8 |
| S | 2 | 2.5 | 3 |
| b(L≤125) | 12 | 14 | 16 |
| b(125<L≤200) | – | – | – |
| b(L>200) | – | – | – |
| M6 | M8 | M10 | M12 | M14 |
| 12 | 16 | 20 | 24 | 27 |
| 4.4 | 4.4 | 5.5 | 6.5 | 7 |
| 5 | 5 | 6 | 8 | 10 |
| 22 | 22 | 26 | 30 | 34 |
| 24 | 28 | 32 | 36 | 40 |
| – | – | 45 | 49 | 55 |
| M16 | M18 | M20 | M24 | M30 |
| 30 | 33 | 36 | 39 | – |
| 7.5 | 8 | 8.5 | 14 | – |
| 10 | 12 | 12 | 14 | – |
| 38 | 42 | 46 | 54 | – |
| 44 | 48 | 52 | 60 | – |
| 57 | 61 | 65 | 73 | – |
| Thread Size | M3 | 5# | 1/8” | M4 | |
|---|---|---|---|---|---|
| Diameter | 3 | 3.175 | 3.175 | 4 | |
| UNC | - | 40 | 40 | - | |
| UNF | - | 44 | 44 | - | |
| Coarse Pitch | 0.5 | 0.635 | 0.635 | 0.7 | |
| Fine Pitch | 0.35 | 0.5773 | 0.5773 | 0.5 | |
| #8 | 3/16” | 10# | M5 | M6 | 1/4“ |
| 4.1656 | 4.7625 | 4.826 | 5 | 6 | 6.35 |
| 32 | 24 | 24 | - | - | 20 |
| 36 | 32 | 32 | - | 6 | 28 |
| 0.7938 | 1.0583 | 1.0583 | 0.8 | 1 | 1.27 |
| 0.7056 | 0.7938 | 0.7938 | 0.5 | 0.5 | 0.9071 |
| 1/4“ | 5/16” | 5/16” | M8 | 3/8” | 3/8” |
| 6.35 | 7.9375 | 7.9375 | 8 | 9.525 | 9.525 |
| 20 | 18 | 18 | - | 16 | 16 |
| 26 | 24 | 22 | - | 24 | 20 |
| 1.27 | 1.4111 | 1.4111 | 1.25 | 1.5875 | 1.5875 |
| 0.9769 | 1.0583 | 1.1545 | 1 | 1.0583 | 1.27 |
| M10 | 7/16” | 7/16” | M12 | 1/2” | 1/2” |
| 10 | 11.1125 | 11.1125 | 12 | 12.7 | 12.7 |
| - | 14 | 14 | - | 13 | 13 |
| - | 20 | 18 | - | 20 | 18 |
| 1.5 | 1.8143 | 1.8143 | 1.75 | 1.9538 | 1.9538 |
| 1 | 1.27 | 1.4111 | 1.5/1 | 1.27 | 1.4111 |
| M14 | 9/16” | 9/16” | 5/8” | 5/8” | M16 |
| 14 | 14.2875 | 14.2875 | 15.875 | 15.875 | 16 |
| - | 12 | 12 | 11 | 11 | - |
| - | 18 | 16 | 18 | 14 | - |
| 2 | 2.1167 | 2.1167 | 2.3091 | 2.3091 | 2 |
| 1.5 | 1.4111 | 1.5875 | 1.4111 | 1.8143 | 1.5 |
| M18 | 3/4” | 3/4” | M20 | M22 | 7/8” |
| 18 | 19.05 | 19.05 | 20 | 22 | 22.225 |
| - | 10 | 10 | - | - | 9 |
| - | 16 | 16 | - | - | 14 |
| 2.5 | 2.54 | 2.54 | 2.5 | 2.5 | 2.8222 |
| 2 | 1.5875 | 1.5875 | 2/1.5 | 2 | 1.8143 |
| 7/8” | M24 | 1” | 1” | |
| 22.225 | 24 | 25.4 | 25.4 | |
| 9 | - | 8 | 8 | |
| 11 | - | 12 | 10 | |
| 2.8222 | 3 | 3.175 | 3.175 | |
| 2.3091 | 2/1.5 | 1.1167 | 2.54 |
About delivery
Generally Speaking, delivery time for the Countersunk Socket Head Screw is 7-15 days, because we have stocks in ready and for special sizes or surface or grade, we can finish the production within 20 days.
Packaging details
1.Regular packing：Bulk in bag (25kg/50kg), bulk in carton (20kg/25kg).
2.For large orders, we can design specific sizes of boxes and cartons.
3.Can provide special packings as clients requests.
Q: What is the MOQ for Countersunk Socket Head Screws ?
A: Our screw MOQ is usually 1 ton per size.
Q: Can we print our own logo on packaging or Countersunk Socket Head Screws?
A: Yes, packing and Countersunk Socket Head Screws we can make according to your requirements.
Q: How long is the delivery time for Countersunk Socket Head Screw?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: What is your payment term?
A: Generally, 30% T/T in advance ,balance before shippment or against B/L copy.
Q: Are you trading company or Countersunk Socket Head Screw manufacturer?
A: We are direct Countersunk Socket Head Screw manufacturer, who owns production lines and workers. No need to worry about extra charges by the middle man or trader.
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