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                                                                                    Taps & Dies
                                                                            
                                                            
                                                                                                                                        
    
                        
            
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                                                                                     Thread standards
                                                                            
                                                            
                                                                                                                                        
    
                        
            
- M - metric regular thread
 - MF - metric fine thread
 - G (BSP) - pipe thread
 - UNC - American coarse thread
 - UNF - American fine thread
 - UNEF - amer. Extra fine thread
 - UN - amer. with special pitch
 - UNS - amer. with special pitch
 - BSW - british coarse thread
 - BSF - British fine thread
 - Tr - trapezoidal thread
 - Rd - knuckle thread
 - NPT - amer. taper pipe thread
 - NPTF - amer. taper pipe thread
 - NPS - amer. cyl. pipe thread
 - Rc (BSPT) - taper pipe thread
 - Rp (BSPP) - cyl. pipe thread
 - Vg - valve thread
 - BA - brit. assn. Thread
 - BSB - BSC - brit. std. thread
 - W - taper gas cylinder valves
 - Electrical and cable thread
 - Bicycle and pedal thread
 - Photo and C-Mount Thread
 - Mini and nano threads (< 2mm)
 - PG - steel conduit thread
 - S - buttress thread
 - RMS - microscope thread
 - MJ, UNJC, UNJF - Aviation
 - STI thread (thread inserts)
 - Special thread
 - Operating tools
 - Lubricant
 - Thread restoration tools
 - Countersink
 - Step drills
 - Thread gauges
 
 
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                                                                                     Thread standards
                                                                            
                                                            
                                                                                                                                        
    
                        
            
 - BaerCoil/BaerFix
 - Drill chucks
 - Twist drill bits
 
                                                                        
                                 Thread standards