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Standard Range: Metric M1.0 > M52, Inch Oun > 2"
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E-CATALOGUE
4-40 UNC X 1/4 SOCKET COUNTERSUNK SCREW ASME B18.3 A2 STAINLESS STEEL
£4.74 (exc VAT) per 100
Part No. U79914400250
£4.74 (exc VAT) per 100
| Quantity Breaks | Price per 100 |
|---|---|
| 200 + | £4.74 |
| 400 + | £4.50 |
| 800 + | £4.28 |
| 2000 + | £4.06 |
| 4000 + | £3.81 |
This product must be ordered in multiples of 200, quantities will be rounded up as you add them.
Further Information
| Thread | T.P.I UNC | T.P.I UNF | a (max) | h (max) | t (min) | j |
|---|---|---|---|---|---|---|
| 0 | * | 80 | 0.138 | 0.044 | 0.025 | 0.035 |
| 1 | 64 | 72 | 0.168 | 0.054 | 0.031 | 0.050 |
| 2 | 56 | 64 | 0.197 | 0.064 | 0.038 | 0.050 |
| 4 | 40 | 48 | 0.255 | 0.083 | 0.055 | 1/16 |
| 5 | 40 | 44 | 0.281 | 0.090 | 0.061 | 5/64 |
| 6 | 32 | 40 | 0.307 | 0.097 | 0.066 | 5/64 |
| 8 | 32 | 36 | 0.359 | 0.112 | 0.076 | 3/32 |
| 10 | 24 | 32 | 0.411 | 0.127 | 0.087 | 1/8 |
| 1/4 | 20 | 28 | 0.531 | 0.161 | 0.111 | 5/32 |
| 5/16 | 18 | 24 | 0.656 | 0.198 | 0.135 | 3/16 |
| 3/8 | 16 | 24 | 0.781 | 0.234 | 0.159 | 7/32 |
| 7/16 | 14 | 20 | 0.844 | 0.234 | 0.159 | 1/4 |
| 1/2 | 13 | 20 | 0.938 | 0.251 | 0.172 | 5/16 |
| 5/8 | 11 | 18 | 1.188 | 0.324 | 0.220 | 3/8 |
| 3/4 | 10 | 16 | 1.438 | 0.396 | 0.220 | 1/2 |
| 7/8 | 9 | 14 | 1.688 | 0.468 | 0.248 | 9/16 |