5/8 สกรูหัวเหลี่ยม เหล็กดำ (หุน) เกรด 4.8
ความยาวสกรู นิ้ว
หมวดหมู่ : สกรูหัวเหลี่ยมดำ ,  น๊อต สกรู ,  เหล็กดำ 8.8,10.9,12.9 , 
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| Size | 3/16 Nc | 1/4 NC | 5/16 NC | 3/8 NC | 1/2 NC | 5/8 NC | 3/4 NC | 7/8 NC | 1'' NC | ||
| pitch | 24 | 20 | 18 | 16 | 12 / 13 | 11 | 10 | 9 | 8 | ||
| Length | |||||||||||
| 3/8 | x | ||||||||||
| 1/2 | x | / | / | ||||||||
| 5/8 | x | / | / | ||||||||
| 3/4 | x | / | / | / | / | ||||||
| 1'' | x | / | / | / | / | / | |||||
| 1.1/4 | x | / | / | / | / | / | |||||
| 1.1/2 | x | / | / | / | / | / | |||||
| 2'' | / | / | / | / | / | / | / | / | |||
| 2.1/2 | / | / | / | / | / | / | / | / | |||
| 3'' | / | / | / | / | / | / | / | / | |||
| 3.1/2 | / | / | / | / | / | / | / | / | |||
| 4'' | / | / | / | / | / | / | / | / | |||
| 4.1/2 | / | / | / | / | / | / | / | / | |||
| 5'' | / | / | / | / | / | / | / | ||||
| 5.1/2 | / | / | / | / | / | / | / | ||||
| 6'' | / | / | / | / | / | / | / | / |