BaerCoil® Wire Thread Inserts UNF

UNF - Unified Fine Thread

 1.0 D 1.5 D 2.0 D 2.5 D 3.0 DF
TDBTDBTDBTDBTDBmin.max.
UNF 2 x 640.0860.1560.1410.1290.1990.1840.1720.2420.2270.2150.2850.2700.2580.3280.3130.1100.119
UNF 3 x 560.0990.1790.1610.1480.2280.2100.1980.2780.2600.2480.3280.3100.2970.3770.3590.1310.146
UNF 4 x 480.1120.2060.1850.1680.2620.2410.2240.3180.2970.2800.3740.3530.3360.4300.4090.1470.162
UNF 5 x 440.1250.2270.2050.1880.2900.2680.2500.3520.3300.3120.4140.3920.3750.4770.4550.1630.178
UNF 6 x 400.1380.2500.2250.2070.3190.2940.2760.3880.3630.3450.4570.4320.4140.5260.5010.1730.193
UNF 8 x 360.1640.2890.2610.2460.3710.3430.3280.4530.4250.4100.5350.5070.4920.6170.5890.2040.224
UNF 10 x 320.1900.3310.2990.2850.4260.3940.3800.5210.4890.4750.6160.5840.5700.7110.6790.2360.256
UNF 1/4 x 280.2500.4110.3750.3750.5360.5000.5000.6610.6250.6250.7860.7500.7500.9110.8750.3060.326
UNF 5/16 x 240.3120.5000.4580.4690.6560.6150.6250.8120.7710.7810.9690.9270.9371.1251.0830.3800.400
UNF 3/8 x 240.3750.5620.5210.5620.7500.7080.7500.9370.8960.9371.1251.0831.1251.3121.2710.4480.468
UNF 7/16 x 200.4370.6620.6120.6560.8810.8310.8751.1001.0501.0941.3191.2691.3121.5371.4880.5240.549
UNF 1/2 x 200.5000.7250.6750.7500.9750.9251.0001.2251.1751.2501.4751.4251.5001.7251.6750.5920.617
UNF 9/16 x 180.5620.8120.7570.8441.0941.0381.1251.3751.3191.4061.6561.6011.6871.9371.8820.6660.691
UNF 5/8 x 180.6250.8750.8190.9371.1871.1321.2501.5001.4441.5621.8121.7571.8752.1252.0690.7330.758
UNF 3/4 x 160.7501.0310.9691.1251.4061.3441.5001.7811.7191.8752.1562.0942.2502.5312.4690.8760.901
UNF 7/8 x 140.8751.1961.1251.3121.6341.5621.7502.0712.0002.1872.5092.4372.6252.9462.8751.0211.051
UNF 1“ x 121.0001.3751.2921.5001.8751.7922.0002.3752.2922.5002.8752.7923.0003.3753.2921.1691.199
UNF 1.1/8“ x 121.1251.5001.4171.6872.0621.9792.2502.6252.5422.8123.1873.1043.3753.7503.6671.3041.334
UNF 1.1/4“ x 121.2501.6251.5421.8752.2502.1672.5002.8752.7923.1253.5003.4173.7504.1254.0421.4391.469
UNF 1.3/8“ x 121.3751.7501.6672.0622.4372.3542.7503.1253.0423.4373.8123.7294.1254.5004.4171.5751.610
UNF 1.1/2“ x 121.5001.8751.7922.2502.6252.5423.0003.3753.2923.7504.1254.0424.5004.8754.7921.7101.745

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