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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
AT502B3T-420AT502B3T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B4-420AT502B4-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B4T-420AT502B4T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B5-420AT502B5-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B6-420AT502B6-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B7-420AT502B7-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B8-420AT502B8-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B9-420AT502B9-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B9A-420AT502B9A-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B9B-420AT502B9B-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B9T-420AT502B9T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502B10-420AT502B10-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C1-420AT502C1-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C2-420AT502C2-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C3-420AT502C3-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C3R-420AT502C3R-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C3T-420AT502C3T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C4-420AT502C4-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C4T-420AT502C4T-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906
AT502C5-420AT502C5-4201/4-20 UNC4200.40.5150.37450.2751.0050.760.6150.541/4-20 UNC3/80.3753/80.375“W”0.38625/640.3906