Parafuso Cabeça Sextavada Rosca Inteira – 18.8
Especificações
1. Aço Inoxidável - 18.8
2. Dimensões - ANSI B 18.2.1
3. Rosca - UNC ANSI B 1.1

| d (diâmetro) | 3/16 | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| p (rosca /nº fios) | BSW-24 | UNC-20 | UNC-18 | UNC-16 | UNC-14 | UNC-13 | BSW-12 | UNC-12 | UNC-11 | UNC-10 | UNC-9 | UNC-8 |
| k (altura cabeça) | 1/8 | 5/32 | 13/64 | 15/64 | 9/32 | 5/16 | 5/16 | 23/64 | 25/64 | 15/32 | 35/64 | 39/64 |
| S Chave | 5/16 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 3/4 | 13/16 | 15/16 | 1-1 /8 | 1-5/16 | 1-1/2 |