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Imperial Machine ScrewsWhat links here?
DiameterMajor
Dia
Close
Fit
Loose
Fit
UNCUNC 75%UNC 50%UNF
#00000.021" 160
#0000.021" 120
#000.047 90
#00.060"520.0635500.0700803/64 0.046955 0.0520na    
#10.0730"480.0760460.081064530.05951/160.062572530.0595520.0635
#20.086"
#30.099"
#40.112"
#50.125"
#60.138"3240
#80.164"3236
#100.190"2432
#120.216"2428
1/4"0.250"2028
5/16"0.3125"1824
3/8"0.3750"1624
7/16"0.43751420
1/2"0.5000"1320
9/16"0.5625"1218
5/8"0.6250"1118
11/160.6875"24 
3/4"0.7500"1016
7/8"914
1"812
1 1/8"712
1 1/4"712
1 3/8"612
1 1/2"612
1 3/4"5 
2"4.5 
2 1/4"4.5 
2 1/2"4 
2 3/4"4 
3"4 
3 1/4"4 
3 1/2"4 
3 3/4"4 
4"4 
  • 75% thread for Aluminum, Brass, & Plastics
  • 50% Thread for Steel, Stainless, & Iron

    References
    Tap & Clearance Drill Sizes
  • Imperial Machine Screws
    filename:Imperial Machine Screws
    filename:Imperial%20Machine%20Screws
    last edit:March 04 2025 20:59:19 (57 days ago)
    ct = 1746065878.000000 = April 30 2025 22:17:58
    ft = 1741139959.000000 = March 04 2025 20:59:19
    dt = 4925919.000000