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1/4-20 UNC


Part No.RemarksTHREAD SIZETHREAD CALL OUTHD ±.005L ±.015D MAX.IL REF.LB ±.015ILB REF.IATD MAX.HOLE DEPTH MIN.THREAD.030 - .090 MAT. THICKNESS DRILL SIZE.030 - .090 MAT. THICKNESS DECIMAL.091 - .124 MAT. THICKNESS DRILL SIZE.091 - .124 MAT. THICKNESS DECIMAL.125 - .186 MAT. THICKNESS DRILL SIZE.125 - .186 MAT. THICKNESS DECIMAL.187 - OVER MAT. THICKNESS DRILL SIZE.187 - OVER MAT. THICKNESS DECIMAL
ATA3T-420ATA3T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA4-420ATA4-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA4T-420ATA4T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA5-420ATA5-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA6-420ATA6-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA7-420ATA7-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA8-420ATA8-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA9-420ATA9-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA9A-420ATA9A-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA9B-420ATA9B-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA9T-420ATA9T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATA10-420ATA10-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB1-420ATB1-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB2-420ATB2-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB3-420ATB3-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB3R-420ATB3R-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB3T-420ATB3T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB4-420ATB4-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB4T-420ATB4T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB5-420ATB5-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906