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 |
ATC9A-420 | ATC9A-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 |
ATC9B-420 | ATC9B-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 |
ATC9T-420 | ATC9T-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 |
ATC10-420 | ATC10-420 | 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 |
AT502S1-420 | AT502S1-420 | 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 |
AT502S2-420 | AT502S2-420 | 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 |
AT502S3-420 | AT502S3-420 | 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 |
AT502S3R-420 | AT502S3R-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 |
AT502S3T-420 | AT502S3T-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 |
AT502S4-420 | AT502S4-420 | 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 |
AT502S4T-420 | AT502S4T-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 |
AT502S5-420 | AT502S5-420 | 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 |
AT502S6-420 | AT502S6-420 | 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 |
AT502S7-420 | AT502S7-420 | 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 |
AT502S8-420 | AT502S8-420 | 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 |
AT502S9-420 | AT502S9-420 | 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 |
AT502S9A-420 | AT502S9A-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 |
AT502S9B-420 | AT502S9B-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 |
AT502S9T-420 | AT502S9T-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 |
AT502S10-420 | AT502S10-420 | 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 |