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 |
ATB6-420 | ATB6-420 | 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 |
ATB7-420 | ATB7-420 | 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 |
ATB8-420 | ATB8-420 | 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 |
ATB9-420 | ATB9-420 | 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 |
ATB9A-420 | ATB9A-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 |
ATB9B-420 | ATB9B-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 |
ATB9T-420 | ATB9T-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 |
ATB10-420 | ATB10-420 | 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 |
ATC1-420 | ATC1-420 | 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 |
ATC2-420 | ATC2-420 | 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 |
ATC3-420 | ATC3-420 | 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 |
ATC3R-420 | ATC3R-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 |
ATC3T-420 | ATC3T-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 |
ATC4-420 | ATC4-420 | 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 |
ATC4T-420 | ATC4T-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 |
ATC5-420 | ATC5-420 | 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 |
ATC6-420 | ATC6-420 | 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 |
ATC7-420 | ATC7-420 | 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 |
ATC8-420 | ATC8-420 | 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 |
ATC9-420 | ATC9-420 | 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 |