Self Drilling Pan Head 4.8X50 T25 Stainless Steel Aisi 410
- 1 unit
- 10 units
- 100 units
- 500 Units
screws
nuts
washers
Threaded Rod
Boxes / Tools
Chandlery
| Number of pieces | 1 | 10 | 30 | 100 |
| Lot price VAT included | €4.25 | €33.50 | €100.50 | €335.05 |
Correspondence table inches and mm
|
Inches |
mm |
Inches |
mm |
|
|
1/8 |
3,2 |
2"1/4 |
57 |
|
|
3/16 |
4,8 |
2"1/2 |
64 |
|
|
1/4 |
6,3 |
2"3/4 |
70 |
|
|
5/16 |
8 |
3" |
76 |
|
|
3/8 |
9,5 |
3"1/4 |
83 |
|
|
7/16 |
11 |
3"1/2 |
89 |
|
|
1/2 |
13 |
4" |
102 |
|
|
5/8 |
16 |
4"1/2 |
114 |
|
|
3/4 |
19 |
5" |
127 |
|
|
7/8 |
22 |
5"1/2 |
140 |
|
|
1" |
25 |
6" |
152 |
|
|
1"1/4 |
32 |
6"1/2 |
165 |
|
|
1"1/2 |
38 |
7" |
178 |
|
|
1"3/4 |
45 |
8" |
203 |
|
|
2" |
51 |
9" |
229 |
|
|
10" |
254 |
How do I measure the length of a screw?
The length of a countersunk screw is measured with the head. For all other heads, the length is measured under the head.
How to determine the diameter of a UNC or UNF screw:
The number of threads per inch will determine the diameter of the screw or nut of an American UNC or UNF screw.
Simply count the number of threads per inch (i.e. 25.4 mm) and refer to the table below.
For diameter 1 inch: 8 threads for 1 inch (25.4 mm) = UNC THREAD
|
Ø in inches |
Ø in mm |
Number of threads/inch in UNC |
Number of threads/inch in UNF (fine pitch) |
|
N°0 |
1.524 |
80 |
|
|
N°1 |
1.854 |
64 |
72 |
|
N°2 |
2.184 |
56 |
64 |
|
N°3 |
2.515 |
48 |
56 |
|
N°4 |
2.845 |
40 |
48 |
|
N°5 |
3.175 |
40 |
44 |
|
N°6 |
3.505 |
32 |
40 |
|
N°8 |
4.166 |
32 |
36 |
|
N°10 |
4.826 |
24 |
32 |
|
N°12 |
5.486 |
24 |
28 |
|
1/4 |
6.35 |
20 |
28 |
|
5/16 |
7.938 |
18 |
24 |
|
3/8 |
9.525 |
16 |
24 |
|
7/16 |
11.113 |
14 |
20 |
|
1/2 |
12.7 |
13 |
20 |
|
9/16 |
14.288 |
12 |
18 |
|
5/8 |
15.875 |
11 |
18 |
|
3/4 |
19.05 |
10 |
16 |
|
7/8 |
22.225 |
9 |
14 |
|
1” |
25.4 |
8 |
14 |
|
1”1/8 |
28.575 |
7 |
12 |
|
1”1/4 |
31.75 |
7 |
12 |
|
1“1/2 |
38.1 |
6 |
12 |
|
1”3/4 |
44.45 |
5 |
- |
| 1 pouce = 25.4 mm |
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2025-03-16
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