Standards Go & No Go sizes as per the specification external thread
- ISO Metric Theads (M)
- INCH standard or Unified Theads (UNC, UNF, UNEF, UN, UNS)
- BSW and BSF Thread Gauges for testing parallel threads
- BA and G Series Thread Gauges
- Other Thread Forms and Specifications
| Range Dia | : | 1 – 250mm |
| Pitch | : | 0.25 – 7.0mm |
| TPI | : | 100 - 4 |
Most Common Thread Forms:
- UN & ISO 60°
- WHIT 55°
- ACME 29°
- TRAP. 30°
- BA 47.5°
- BUTTRESS 7°/45° & 3°/30°
- CONDUIT 80°INCL. DIN 40431
- KNUCKLE ROUND FORM DIN405
Standards Go & No Go sizes as per the specification external thread product tables
Special Go & No Go sizes for Pre-Plate or Pre-Heat (sizes must be advised)
Can be supplied as:
- Standard or non-standard blank lengths
- Single start/lead or multi starts/leads
Specification:
Blank design is to BS1044:2008
Diameters:
- 1 – 15mm / 0.040 – 0.60” are made from Caseharden steel
- 15.5- 250mm / 0.610 – 10.00” Are made from B01 tool Steel
US 1011 
MY 527 
CN 129 
AU 74 
AP 67 
GB 51 
NZ 42 
CA 41 
