BaerCoil® Wire Thread Inserts UNC

UNC - Unified Coarse Thread

  1.0 D 1.5 D 2.0 D 2.5 D 3.0 DF
 TDBTDBTDBTDBTDBmin.max.
UNC 2 x 560.0860.1660.1480.1290.2090.1910.1720.2520.2340.2150.2950.2770.2580.3380.3200.1100.119
UNC 3 x 480.0990.1930.1720.1480.2420.2210.1980.2920.2710.2480.3420.3210.2970.3910.3700.1280.139
UNC 4 x 400.1120.2240.1990.1680.2800.2550.2240.3360.3110.2800.3920.3670.3360.4480.4230.1440.159
UNC 5 x 400.1250.2370.2120.1870.3000.2750.2500.3620.3370.3120.4250.4000.3750.4870.4620.1580.173
UNC 6 x 320.1380.2790.2470.2070.3480.3160.2760.4170.3850.3450.4860.4540.4140.5550.5230.1780.193
UNC 8 x 320.1640.3050.2730.2460.3870.3550.3280.4690.4370.4100.5510.5190.4920.6330.6010.2050.220
UNC 10 x 240.1900.3770.3360.2850.4720.4310.3800.5670.5260.4750.6620.6210.5700.7570.7160.2440.259
UNC 12 x 240.2160.4040.3620.3240.5120.4700.4320.6200.5780.5400.7270.6860.6480.8360.7940.2700.285
UNC 1/4 x 200.2500.4750.4250.3750.6000.5500.5000.7250.6750.6250.8500.8000.7500.9750.9250.3100.330
UNC 5/16 x 180.3120.5620.5070.4690.7190.6630.6250.8750.8190.7811.0310.9760.9371.1871.1320.3800.400
UNC 3/8 x 160.3750.6560.5940.5620.8440.7810.7501.0310.9690.9371.2191.1561.1251.4061.3440.4520.472
UNC 7/16 x 140.4370.7590.6870.6560.9780.9060.8751.1961.1251.0941.4151.3431.3121.6341.5620.5260.551
UNC 1/2 x 130.5000.8460.7690.7501.0961.0191.0001.3461.2691.2501.5961.5191.5001.8461.7690.5970.622
UNC 9/16 x 120.5620.9370.8540.8441.2191.1351.1251.5001.4171.4061.7811.6981.6872.0621.9790.6990.694
UNC 5/8 x 110.6251.0340.9430.9371.3471.2561.2501.6591.5681.5621.9721.8811.8752.2842.1930.7420.767
UNC 3/4 x 100.7501.2001.1001.1251.5751.4751.5001.9501.8501.8752.3252.2252.2502.7002.6000.8810.906
UNC 7/8 x 90.8751.3751.2641.3121.8121.7011.7502.2502.1392.1872.6872.5762.6253.1253.0141.0221.052
UNC 1“ x 81.0001.5631.4371.5002.0621.9372.0002.5622.4372.5003.0622.9373.0003.5623.4371.1661.196
UNC 1.1/8“ x 71.1251.7681.6251.6872.3302.1872.2502.8932.7502.8123.4553.3123.3754.0183.8751.3151.355
UNC 1.1/4“ x 71.2501.8931.7501.8752.5182.3752.5003.1433.0003.1253.7683.6253.7504.3934.2501.4431.483
UNC 1.3/8“ x 61.3752.1251.9582.0622.8122.6462.7503.5003.3333.4374.1874.0214.1254.8754.7081.5981.643
UNC 1.1/2“ x 61.5002.2502.0832.2503.0002.8333.0003.7503.5833.7504.5004.3334.5005.2505.0831.7271.772

Acronyms

P = Install insert 1/4 - 1/2 pitch below the surface
T = Full tapped thread length (min.)
B = Tap depth - including threads chamfer of plug tap
D = Drill depth (min.) - excluding point
F = Free Coil Diameter