Rivet Diameter Standard Rec. Drill Size Hole Tolerance
1/16" (1.6mm) Imperial
67.0 thou
1.70 mm
65-70 thou
1.65-1.78 mm
3/32" (2.4mm) Imperial
96.0 thou
2.44 mm
94-98 thou
2.39-2.49 mm
1/8" (3.2mm) Imperial
128.5 thou
3.26 mm
126-131 thou
3.20-3.33 mm
5/32" (4.0mm) Imperial
161.0 thou
4.09 mm
158-165 thou
4.01-4.19 mm
3/16" (4.8mm) Imperial
191.0 thou
4.85 mm
189-197 thou
4.80-5.00 mm
7/32" (5.6mm) Imperial
228.0 thou
5.79 mm
224-232 thou
5.69-5.89 mm
1/4" (6.4mm) Imperial
257.0 thou
6.53 mm
252-262 thou
6.40-6.65 mm
9/32" (7.1mm) Imperial
290.0 thou
7.37 mm
285-295 thou
7.24-7.49 mm
5/16" (7.9mm) Imperial
328.1 thou
8.33 mm
320-335 thou
8.13-8.51 mm
11/32" (8.7mm) Imperial
359.4 thou
9.13 mm
355-365 thou
9.02-9.27 mm
3/8" (9.5mm) Imperial
390.6 thou
9.92 mm
385-400 thou
9.78-10.16 mm
1/2" (12.7mm) Imperial
515.6 thou
13.10 mm
510-525 thou
12.95-13.34 mm
2.0 mm Metric
82.7 thou
2.10 mm
80-85 thou
2.03-2.16 mm
2.4 mm Metric
98.4 thou
2.50 mm
95-102 thou
2.42-2.59 mm
3.0 mm Metric
122.0 thou
3.10 mm
119-126 thou
3.02-3.20 mm
3.2 mm Metric
129.9 thou
3.30 mm
126-134 thou
3.22-3.40 mm
3.5 mm Metric
141.7 thou
3.60 mm
138-145 thou
3.51-3.68 mm
4.0 mm Metric
161.4 thou
4.10 mm
158-166 thou
4.02-4.22 mm
4.5 mm Metric
181.1 thou
4.60 mm
178-185 thou
4.52-4.70 mm
4.8 mm Metric
192.9 thou
4.90 mm
189-198 thou
4.82-5.04 mm
5.0 mm Metric
200.8 thou
5.10 mm
197-206 thou
5.02-5.23 mm
6.0 mm Metric
240.2 thou
6.10 mm
237-245 thou
6.02-6.23 mm
6.4 mm Metric
255.9 thou
6.50 mm
252-261 thou
6.42-6.64 mm
7.0 mm Metric
279.5 thou
7.10 mm
276-285 thou
7.02-7.23 mm
8.0 mm Metric
322.8 thou
8.20 mm
318-330 thou
8.08-8.38 mm
9.0 mm Metric
358.3 thou
9.10 mm
355-365 thou
9.02-9.28 mm
10.0 mm Metric
401.6 thou
10.20 mm
398-410 thou
10.10-10.42 mm
12.0 mm Metric
480.3 thou
12.20 mm
476-490 thou
12.10-12.45 mm