Sheet Metal Countersink Chart

Our Sheet Metal Countersink Chart provides essential data on recommended hole dimensions, angles, and depths to ensure precise countersinking for fasteners and optimal surface finishes in your sheet metal projects.

Countersink Standard Dimensions

At KingStar Mold, our countersink standard dimensions ensure precise angles and diameters for creating recessed holes to accommodate countersunk screws or fasteners. We prioritize accuracy to provide a secure, flush fit, enhancing the overall performance of your sheet metal components.

Standard (82 Degree Fit)

Material Thickness (in.)ID (in.)OD (in.)
0.250.0980.18
0.160.0980.18
0.1250.0980.18
0.10.0980.18
0.090.0980.18
0.080.0980.18
0.0620.0980.18
0.050.0980.18
0.040.1110.18
0.0320.1250.18
0.0250.1370.18

Material Thickness (in.)ID (in.)OD (in.)
0.250.1130.25
0.160.1130.25
0.1250.1130.25
0.10.1130.25
0.090.1130.25
0.080.1130.25
0.0620.1130.25
0.050.150.25
0.040.1740.25
0.0320.1880.25
0.0250.1920.25

Material Thickness (in.)ID (in.)OD (in.)
0.250.150.305
0.160.150.305
0.1250.150.305
0.10.150.305
0.090.150.305
0.080.150.305
0.0620.180.305
0.050.1890.305
0.040.2180.305
0.0320.2320.305
0.0250.2440.305

Material Thickness (in.)ID (in.)OD (in.)
0.250.1770.352
0.160.1770.352
0.1250.1770.352
0.10.180.352
0.090.1990.352
0.080.2020.352
0.0620.2330.352
0.050.2610.352
0.040.2740.352
0.0320.2840.352
0.0250.2890.352

Material Thickness (in.)ID (in.)OD (in.)
0.250.2060.39
0.160.2060.39
0.1250.2060.39
0.10.230.39
0.090.240.39
0.080.250.39
0.0620.2680.39
0.050.280.39
0.040.3160.39
0.0320.330.39
0.0250.340.39

Material Thickness (in.)ID (in.)OD (in.)
0.250.2040.39
0.160.2040.39
0.1250.2940.39
0.10.3250.39
0.090.3520.39
0.080.3620.39
0.0620.4060.39
0.050.4250.39
0.040.450.39
0.0320.4580.39
0.0250.4650.39

Metric (90 Degree Fit)

Material Thickness (in.)ID (in.)OD (in.)
0.250.0980.225
0.160.0980.212
0.1250.0980.212
0.10.0980.212
0.090.0980.212
0.080.0980.212
0.0620.1050.212
0.050.1260.212
0.040.140.212
0.0320.1550.212
0.0250.1670.212

Material Thickness (in.)ID (in.)OD (in.)
0.250.1340.258
0.160.1340.258
0.1250.1340.258
0.10.1340.258
0.090.1340.258
0.080.1340.258
0.0620.1340.258
0.050.160.258
0.040.1780.258
0.0320.1950.258
0.0250.2080.258

Material Thickness (in.)ID (in.)OD (in.)
0.250.1530.285
0.160.1530.285
0.1250.1530.285
0.10.1530.285
0.090.1530.285
0.080.1730.285
0.0620.2090.285
0.050.2330.285
0.040.2550.285
0.0320.2680.285
0.0250.2830.285

Material Thickness (in.)ID (in.)OD (in.)
0.250.1750.35
0.160.1750.35
0.1250.1750.35
0.10.180.35
0.090.20.35
0.080.220.35
0.0620.2560.35
0.050.280.35
0.040.3020.35
0.0320.3160.35
0.0250.3280.35

Material Thickness (in.)ID (in.)OD (in.)
0.250.2170.43
0.160.2170.43
0.1250.2170.43
0.10.2190.43
0.090.2390.43
0.080.2590.43
0.0620.2950.43
0.050.3190.43
0.040.3390.43
0.0320.3550.43
0.0250.3620.43

Material Thickness (in.)ID (in.)OD (in.)
0.250.260.506
0.160.260.506
0.1250.260.506
0.10.3060.506
0.090.3260.506
0.080.3460.506
0.0620.3820.506
0.050.4060.506
0.040.4260.506
0.0320.4420.506
0.0250.4520.506

Standard (100 Degree Fit)

Material Thickness (in.)ID (in.)OD (in.)
0.250.1290.239
0.160.1290.239
0.1250.1290.239
0.10.1290.239
0.090.1290.239
0.080.1290.239
0.0620.1290.239
0.050.1290.239
0.040.1410.239
0.0320.1670.239
0.0250.1770.239

Material Thickness (in.)ID (in.)OD (in.)
0.250.1290.239
0.160.1290.239
0.1250.1290.239
0.10.1290.239
0.090.1290.239
0.080.1290.239
0.0620.1290.239
0.050.1290.239
0.040.1410.239
0.0320.1670.239
0.0250.1770.239

Material Thickness (in.)OD (in.)ID (in.)
0.250.2920.146
0.160.2920.146
0.1250.2920.146
0.10.2920.146
0.090.2920.146
0.080.2920.146
0.0620.2920.146
0.050.2920.172
0.040.2920.19
0.0320.2920.211
0.0250.2920.223

Material Thickness (in.)ID (in.)OD (in.)
0.250.1780.352
0.160.1780.352
0.1250.1780.352
0.10.1780.352
0.090.1780.352
0.080.1780.352
0.0620.1960.352
0.050.2210.352
0.040.2490.352
0.0320.2660.352
0.0250.280.352

Material Thickness (in.)OD (in.)ID (in.)
0.250.2920.201
0.160.2920.201
0.1250.2920.201
0.10.2920.201
0.090.2920.201
0.080.2920.205
0.0620.2920.245
0.050.2920.268
0.040.2920.298
0.0320.2920.321
0.0250.2920.334

Material Thickness (in.)OD (in.)ID (in.)
0.250.2920.201
0.160.2920.201
0.1250.2920.201
0.10.2920.201
0.090.2920.201
0.080.2920.205
0.0620.2920.245
0.050.2920.268
0.040.2920.298
0.0320.2920.321
0.0250.2920.334