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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
ATB6-420ATB6-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB7-420ATB7-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB8-420ATB8-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB9-420ATB9-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB9A-420ATB9A-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB9B-420ATB9B-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB9T-420ATB9T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATB10-420ATB10-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC1-420ATC1-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC2-420ATC2-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC3-420ATC3-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC3R-420ATC3R-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC3T-420ATC3T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC4-420ATC4-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC4T-420ATC4T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC5-420ATC5-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC6-420ATC6-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC7-420ATC7-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC8-420ATC8-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
ATC9-420ATC9-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906