2D-1-9, Jalan Rawang Mutiara 3,
Rawang Mutiara Business Centre,
48000 Rawang,
Selangor, Malaysia.

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| Standard: ISO | ||
| Nominal Thread (D) | Shoulder Diameter (D1) | Thread Length (L1) | 
| M5 | 6 mm | 9.75 mm | 
| M6 | 8 mm | 11.25 mm | 
| M8 | 10 mm | 13.25 mm | 
| M10 | 12 mm | 16.40 mm | 
| M12 | 16 mm | 18.40 mm | 
| M16 | 20 mm | 22.40 mm | 
| M20 | 24 mm | 27.40 mm | 
| Standard: UNC | ||
| Nominal Thread (D) | Shoulder Diameter (D1) | Thread Length (L1) | 
| 1/4’’ | 5/16’’ | 7/16’’ | 
| 5/16’’ | 3/8’’ | 1/2’’ | 
| 3/8’’ | 1/2’’ | 5/8’’ | 
| 1/2’’ | 5/8’’ | 3/4’’ | 
| 5/8’’ | 3/4’’ | 7/8’’ | 
| 3/4’’ | 7/8’’ | 1’’ | 
| 7/8’’ | 1-1/8’’ | 1-1/8’’ | 
| 1-1/8’’ | 1-1/4’’ | 1-1/2’’ | 
| 1-1/4’’ | 1-1/2’’ | 1-3/4’’ | 
| 1-1/2’’ | 2’’ | 2’’ | 
| Standard: BSW | ||
| Nominal Thread (D) | Shoulder Diameter (D1) | Thread Length (L1) | 
| 3/16’’ | 1/4’’ | 3/8’’ | 
| 1/4’’ | 5/16’’ | 7/16’’ | 
| 5/16’’ | 3/8’’ | 1/2’’ | 
| 3/8’’ | 1/2’’ | 5/8’’ | 
| 1/2’’ | 5/8’’ | 3/4’’ | 
| 5/8’’ | 3/4’’ | 7/8’’ | 
| 3/4’’ | 7/8’’ | 1’’ | 
| 7/8’’ | 1-1/8’’ | 1-1/8’’ | 
| 1-1/8’’ | 1-1/4’’ | 1-1/2’’ |