1/4-20 UNC
Part No. | Remarks | THREAD SIZE | THREAD CALL OUT | HD ±.005 | L ±.015 | D MAX. | IL REF. | LB ±.015 | ILB 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-420 | ATA3T-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA4-420 | ATA4-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA4T-420 | ATA4T-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA5-420 | ATA5-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA6-420 | ATA6-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA7-420 | ATA7-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA8-420 | ATA8-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA9-420 | ATA9-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA9A-420 | ATA9A-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA9B-420 | ATA9B-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA9T-420 | ATA9T-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATA10-420 | ATA10-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB1-420 | ATB1-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB2-420 | ATB2-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB3-420 | ATB3-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB3R-420 | ATB3R-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB3T-420 | ATB3T-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB4-420 | ATB4-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB4T-420 | ATB4T-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |
ATB5-420 | ATB5-420 | 1/4-20 UNC | 420 | 0.4 | 0.515 | 0.3745 | 0.275 | 1.005 | 0.76 | 0.615 | 0.54 | 1/4-20 UNC | 3/8 | 0.375 | 3/8 | 0.375 | “W” | 0.386 | 25/64 | 0.3906 |