Unified Threads (UNC/UNF) Unit: mm

KindMajor diameter Pitch Diameter Minor diameterKindMajor diameterPitch Diameter Minor diameter
SizeofClass Basic BasicUpperLowerTolerance BasicSizeof ClassBasicBasic UpperLowerTolerance BasicSP
tapSize SizeTolerance (μm) +Tolerance (μm) +(μm) SizetapSizeSize Toleranc (μm) +e Tolerance (μm) +(μm) Size
P240040P2402020
P3602040P3604020
P51006040P4806020SL
3B482226tap 3B431528
tap2B7335381·1/4-12UNFting 2B31.75030.376 702929.459 41
1-8UNCng25.400 23.338 2BX1036521.963 38ut 2BX955441
cuttiGH338.125.412.7c GH338.112.725.4PO
GH450.838.112.7GH563.538.125.4
GH563.550.812.7GH788.963.525.4
GH788.976.212.7P3602040
GH8101.688.912.7P4804040ST
P2402020P51006040
P3604020p 3B552728
P48060201·3/8-6UNCg ta 2B3492532174 834130343 42
3B421626uttin 2BX.. 11371. 42ROLL
tap2B672938c GH450.825.425.4
1-12UNFting25.400 24.026 2BX925423.109 38GH676.250.825.4
cutGH338.125.412.7GH8101.676.225.4
GH450.838.112.7GH9114.388.925.4
GH563.550.812.7P3602040CARBIDE
GH676.263.512.7P4804040
GH788.976.212.7P51006040
P3602040tap 3B431528
P48040401·3/8-12UNFting 2B34.92533.551 712932.634 42LONG
P51006040cut 2BX965442
tap3B512526GH338.112.725.4
1·1/8-7UNCting28.575 26.218 2B783824.648 40GH563.538.125.4HAND
cut2BX1086840GH788.963.525.4
GH450.825.425.4P3602040TAPS
GH676.250.825.4P4804040
GH8101.676.225.4P61208040
P2402020p 3B562630EG (STI)
P3604020g ta 2B854144
P48060201·1/2-6UNCuttin 2BX38.10035.349 1157133.518 44
tap3B421527c GH450.825.425.4
1·1/8-12UNFting28.575 27.201 2B692926.284 40GH676.250.825.4SPECIAL THREADS
ut2BX945440GH81016762254,
cGH338.112.725.4GH9. 114.3. 88.9. 25.4GAUGES
GH563.538.125.4P3602040
GH788.963.525.4P4804040THREAD
P3602040P51006040MILLS
P4804040tap 3B441430
P510060401·1/2-12UNFing 2B38.10036.726 732935.809 44
tap3B522428cutt 2BX985444
1·1/4-7UNCting31.750 29.393 2B793827.823 41GH338.112.725.4DIES
cut2BX1096841GH563.538.125.4
GH450.825.425.4GH788.963.525.4
GH676.250.825.4
GH8101.676.225.4CENTER

DRILLS