Internally Threaded Head (Wide) (ITW)

  • Material: 65-45-12 Ductile Iron
  • Threads into Case (Barrel, Body, Main)
  • Buttress Thread Design
Bore +.003″ -.003″ Rod +.000″ -.003″ A B C D E Buttress F G Seal Kit Number Part Number
3.000 1.750 3.50 2.62 2.25 1.00 0.56 3-1/4″-12 0.38 2080300175 2070300175
3.000 2.000 3.50 2.62 2.25 1.00 0.56 3-1/4″-12 0.38 2080300200 2070300200
3.500 1.750 4.00 2.62 2.25 1.00 0.56 3-3/4″-12 0.38 2080350175 2070350175
3.500 2.000 4.00 2.62 2.25 1.00 0.56 3-3/4″-12 0.38 2080350200 2070350200
4.000 2.000 4.50 3.25 2.75 1.25 0.56 4-1/4″-12 0.38 2080400200 2070400200
4.000 2.500 4.50 3.25 2.75 1.25 0.56 4-1/4″-12 0.38 2080400250 2070400250
4.000 3.000 4.50 3.62 3.12 1.38 0.19 4-1/4″-12 N/A 2080400300 2070400300
4.500 2.000 5.00 3.25 2.75 1.25 0.56 4-3/4″-12 0.38 2080450200 2070450200
4.500 2.500 5.00 3.25 2.75 1.25 0.56 4-3/4″-12 0.38 2080450250 2070450250
4.500 3.000 5.00 3.25 2.75 1.25 0.56 4-3/4″-12 0.38 2080450300 2070450300
4.500 3.500 5.00 3.62 3.12 1.38 0.19 4-3/4″-12 N/A 2080450350 2070450350
5.000 2.000 5.50 3.00 2.50 1.12 0.56 5-1/4″-12 0.38 2080500200 2070500200
5.000 2.500 5.50 3.62 3.12 1.38 0.81 5-1/4″-12 0.56 2080500250 2070500250
5.000 3.000 5.50 3.62 3.12 1.38 0.81 5-1/4″-12 0.56 2080500300 2070500300
5.000 3.500 5.50 3.62 3.12 1.38 0.81 5-1/4″-12 0.56 2080500350 2070500350
5.000 4.000 5.50 3.62 3.12 1.38 0.19 5-1/4″-12 N/A 2080500400 2070500400
5.500 2.500 6.00 3.62 3.12 1.38 0.81 5-3/4″-12 0.56 2080550250 2070550250
5.500 3.000 6.00 3.62 3.12 1.38 0.81 5-3/4″-12 0.56 2080550300 2070550300
5.500 3.500 6.00 3.62 3.12 1.38 0.81 5-3/4″-12 0.56 2080550350 2070550350
5.500 4.000 6.00 3.62 3.12 1.38 0.81 5-3/4″-12 0.56 2080550400 2070550400
5.500 4.500 6.00 3.62 3.12 1.38 0.19 5-3/4″-12 N/A 2080550450 2070550450
6.000 2.500 6.50 3.62 3.12 1.38 0.81 6-1/4″-12 0.56 2080600250 2070600250
6.000 3.000 6.50 3.62 3.12 1.38 0.81 6-1/4″-12 0.56 2080600300 2070600300
6.000 3.500 6.50 3.62 3.12 1.38 0.81 6-1/4″-12 0.56 2080600350 2070600350
6.000 4.000 6.50 3.62 3.12 1.38 0.81 6-1/4″-12 0.56 2080600400 2070600400
6.000 4.500 6.50 3.38 2.88 1.25 0.81 6-1/4″-12 0.62 2080600450 2070600450
7.000 2.500 7.50 4.25 3.75 1.50 1.00 7-1/4″-10 0.75 2080700250 2070700250
7.000 3.000 7.50 4.25 3.75 1.50 1.00 7-1/4″-10 0.75 2080700300 2070700300
7.000 3.500 7.50 4.25 3.75 1.50 1.00 7-1/4″-10 0.75 2080700350 2070700350
7.000 4.000 7.50 4.25 3.75 1.50 1.00 7-1/4″-10 0.75 2080700400 2070700400
8.000 3.500 8.50 4.50 3.75 1.50 1.00 8-1/4″-10 0.75 2080800350 2070800350
8.000 4.000 8.50 4.50 3.75 1.50 1.00 8-1/4″-10 0.75 2080800400 2070800400
8.000 4.500 8.50 4.50 3.75 1.50 1.00 8-1/4″-10 0.75 2080800450 2070800450
8.000 5.000 8.50 4.50 3.75 1.50 1.00 8-1/4″-10 0.75 2080800500 2070800500
10.00 4.00 10.50 5.00 4.25 1.50 1.25 10-1/4″-10 1.00 2081000400 2071000400
10.00 5.00 10.50 5.00 4.25 1.50 1.25 10-1/4″-10 1.00 2081000500 2071000500

Thread Technical Information

Basic Thread Size Minimum Major Diameter Pitch Diameter Minor Diameter
2-1/4″-12 2.2604 2.2000 /2.2075 2.1500 /2.1575
2-3/4″-12 2.7604 2.7000 /2.7080 2.6500 /2.6580
3-1/4″-12 3.2604 3.2000 /3.2080 3.1500 /3.1580
3-1/2″-12 3.5104 3.4500 /3.4580 3.4000 /3.4080
3-3/4″-12 3.7604 3.7000 /3.7080 3.6500 /3.6580
4-1/4″-12 4.2604 4.2000 /4.2084 4.1500 /4.1584
4-3/4″-12 4.7604 4.7000 /4.7084 4.6500 /4.6584
5-1/4″-12 5.2604 5.2000 /5.2084 5.1500 /5.1584
5-3/4″-12 5.7604 5.7000 /5.7084 5.6500 /5.6584
6-1/4″-12 6.2604 6.2000 /6.2084 6.1500 /6.1584
7-1/4″-10 7.2626 7.1900 /7.1995 7.1300 /7.1395
8-1/4″-10 8.2626 8.1900 /8.1995 8.1300 /8.1395
10-1/4″-10 10.2626 10.1900 /10.1995 10.1300 /10.1395