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 |
AT502A1-420 | AT502A1-420 | 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 |
AT502A2-420 | AT502A2-420 | 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 |
AT502A3-420 | AT502A3-420 | 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 |
AT502A3R-420 | AT502A3R-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 |
AT502A3T-420 | AT502A3T-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 |
AT502A4-420 | AT502A4-420 | 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 |
AT502A4T-420 | AT502A4T-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 |
AT502A5-420 | AT502A5-420 | 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 |
AT502A6-420 | AT502A6-420 | 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 |
AT502A7-420 | AT502A7-420 | 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 |
AT502A8-420 | AT502A8-420 | 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 |
AT502A9-420 | AT502A9-420 | 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 |
AT502A9A-420 | AT502A9A-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 |
AT502A9B-420 | AT502A9B-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 |
AT502A9T-420 | AT502A9T-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 |
AT502A10-420 | AT502A10-420 | 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 |
AT502B1-420 | AT502B1-420 | 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 |
AT502B2-420 | AT502B2-420 | 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 |
AT502B3-420 | AT502B3-420 | 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 |
AT502B3R-420 | AT502B3R-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 |