Ningbo Haitian Fastener Industry Co., LTD.
A professional manufacturer for screws, bolts and nuts.

Screws > Chipboard Screws
- Chipboard Screws, Double Countersunk/pozi Head, Full or Partial thread, C1018 or C1012 + Harden
- Finish: ZP, ZY

| Item | Spec. | U.weight /Mpcs |
Item | Spec. | U.weight /Mpcs |
Item | Spec. | U.weight /Mpcs |
| 1 | 2.5x10 | 0.25 | 25 | 4x20 | 1.2 | 49 | 5x35 | 2.85 |
| 2 | 2.5x12 | 0.3 | 26 | 4x25 | 1.42 | 50 | 5x40 | 3.42 |
| 3 | 2.5x16 | 0.4 | 27 | 4x30 | 1.6 | 51 | 5x50 | 4.26 |
| 4 | 2.5x20 | 0.5 | 28 | 4x35 | 1.87 | 52 | 5x60 | 4.84 |
| 5 | 3x10 | 0.38 | 29 | 4x40 | 2.1 | 53 | 5x70 | 5.76 |
| 6 | 3x12 | 0.45 | 30 | 4x45 | 2.44 | 54 | 5x80/75 | 6.61 |
| 7 | 3x16 | 0.56 | 31 | 4x50 | 2.6 | 55 | 5x90/75 | 7.2 |
| 8 | 3x20 | 0.68 | 32 | 4x60 | 3.14 | 56 | 5x100/75 | 7.48 |
| 9 | 3x25 | 0.8 | 33 | 4x70 | 3.62 | 57 | 5x120/75 | 9.41 |
| 10 | 3x30 | 0.96 | 34 | 4x80 | 4.15 | 58 | 6x20 | 3.28 |
| 11 | 3x35 | 1.09 | 35 | 4.5x16 | 1.42 | 59 | 6x25 | 3.77 |
| 12 | 3x40 | 1.25 | 36 | 4.5x20 | 1.6 | 60 | 6x30 | 4.28 |
| 13 | 3.5x13 | 0.61 | 37 | 4.5x25 | 1.9 | 61 | 6x40 | 4.89 |
| 14 | 3.5x16 | 0.72 | 38 | 4.5x30 | 2.15 | 62 | 6x50 | 5.98 |
| 15 | 3.5x18 | 0.79 | 39 | 4.5x35 | 2.32 | 63 | 6x60 | 7.06 |
| 16 | 3.5x20 | 0.9 | 40 | 4.5x40 | 2.66 | 64 | 6x70 | 8.15 |
| 17 | 3.5x25 | 1.05 | 41 | 4.5x45 | 3.06 | 65 | 6x80 | 9.24 |
| 18 | 3.5x30 | 1.25 | 42 | 4.5x50 | 3.37 | 66 | 6x90 | 10.32 |
| 19 | 3.5x35 | 1.44 | 43 | 4.5x60 | 3.89 | 67 | 6x100 | 11.41 |
| 20 | 3.5x40 | 1.62 | 44 | 4.5x70 | 4.67 | 68 | 6x110 | 12.5 |
| 21 | 3.5x45 | 1.77 | 45 | 5x16 | 1.5 | 69 | 6x120 | 13.58 |
| 22 | 3.5x50 | 1.95 | 46 | 5x20 | 1.78 | 70 | 6x130 | 14.67 |
| 23 | 4x16 | 0.98 | 47 | 5x25 | 2.14 | 71 | 6x140 | 15.76 |
| 24 | 4x18 | 1.04 | 48 | 5x30 | 2.49 |