Find the Right Drill Bit Every Time with Our Comprehensive Specification Table

Are you tired of struggling to find the right drill bit for your metalworking needs? Do you find yourself constantly searching for the perfect fit, only to end up with a bit that doesn’t quite measure up? Look no further!

Our comprehensive drill bit specification table has everything you need to make your metalworking projects a success. With detailed information on small and large diameter sizes, blade length, shank diameter, and overall length, you’ll never be left guessing again.

Plus, our expert advice on metalworking machines will ensure you’re equipped with the best tools for the job.

Don’t let the frustration of mismatched drill bits hold you back any longer. Let us help you achieve your metalworking goals with ease and precision.

Straight shank countersink drill bit specification table

180 degrees
SpecificationSmall DiameterLarge DiameterOverall LengthSmall Diameter Blade LengthShank Diameter
M33.46.565136.5
M44.58.075188
M55.59.585229.5
M66.611.0902511
M89.014.01002812
M1011.017.51103012
M1214.020.01153212
1/46.8511.0902511
5/168.5514.01002812
3/810.115.01103012
1/213.520.01153212
 
90 degrees
SpecificationSmall DiameterLarge DiameterOverall LengthSmall Diameter Blade LengthShank Diameter
M33.46.465356.4
M44.58.475428.4
M55.510.4855010.4
M66.612.5905312.0
M89.016.51005312.0

Center drill bit specification table 

Blade diameter (d)Blade diameter toleranceBlade length (L2)Shank diameter (D)Overall length (L)
0.40.05
-0.05
0.53.031
  
0.50.05
-0.05
0.63.031
  
0.60.05
-0.05
0.73.536
  
0.70.05
-0.05
0.83.536
  
0.80.05
-0.05
0.94.036
  
0.90.05
-0.05
1.04.036
  
1.00.05
-0.05
1.24.036
1.24.0100
1.20.05
-0.05
1.45.042
   
1.50.05
-0.05
1.85.042
1.85.0100
1.85.0150
1.85.0200
2.00.08
-0.08
2.45.042
2.46.0100
2.46.0150
2.46.0200
2.50.08
-0.08
3.06.047
3.08.0100
3.08.0150
3.08.0200
3.00.08
-0.08
3.67.757
3.610.0100
3.610.0150
3.610.0200
3.20.08
-0.08
3.87.757
   
4.00.08
-0.08
4.810.069
4.810.0100
4.810.0150
4.810.0200
5.00.12
-0.12
6.011.069
6.012.0100
6.012.0150
6.012.0200
6.00.12
-0.12
8.016.090
   
8.00.12
-0.12
10.018.0100
   
10.00.12
-0.12
12.018.0100
   
12.00.12
-0.12
15.022.0110
   

Code #1-#60

Codeinchmm
#10.2285.79
#20.2215.61
#30.2135.41
#40.2095.31
#50.20555.22
#60.2045.18
#70.2015.11
#80.1995.05
#90.1964.98
#100.19354.91
#110.1914.85
#120.1894.80
#130.1854.70
#140.1824.62
#150.184.57
#160.1774.50
#170.1734.39
#180.16954.31
#190.1664.22
#200.1614.09
#210.1594.04
#220.1573.99
#230.1543.91
#240.1523.86
#250.14953.80
#260.1473.73
#270.1443.66
#280.14053.57
#290.1363.45
#300.12853.26
#310.123.05
#320.1162.95
#330.1132.87
#340.1112.82
#350.112.79
#360.10652.71
#370.1042.64
#380.10152.58
#390.09952.53
#400.0982.49
#410.0962.44
#420.09352.37
#430.0892.26
#440.0862.18
#450.0822.08
#460.0812.06
#470.07851.99
#480.0761.93
#490.0731.85
#500.071.78
#510.0671.70
#520.06351.61
#530.05951.51
#540.0551.40
#550.0521.32
#560.04651.18
#570.0431.09
#580.0421.07
#590.0411.04
#600.041.02

Code #A-#Z

Codeinchmm
#A0.2345.94
#B0.2386.05
#C0.2426.15
#D0.2466.25
#E0.256.35
#F0.2576.53
#G0.2616.63
#H0.2666.76
#I0.2726.91
#J0.2777.04
#K0.2817.14
#L0.297.37
#M0.2957.49
#N0.3027.67
#O0.3168.03
#P0.3268.28
#Q0.3328.43
#R0.3398.61
#S0.3488.84
#T0.3589.09
#U0.3689.35
#V0.3779.58
#W0.3869.80
#X0.39710.08
#Y0.40410.26
#Z0.41310.49

Code #1/16.-#1/2.inch

Codeinchmm
1/16.0.06251.59
5/64.0.07811.98
3/32.0.09382.38
7/64.0.10942.78
1/8.0.1253.18
9/64.0.14063.57
5/32.0.15633.97
11/64.0.17194.37
3/16.0.18754.76
13/64.0.20315.16
7/32.0.21885.56
15/64.0.23445.95
1/4.0.256.35
17/64.0.26566.75
9/32.0.28127.14
19/64.0.29697.54
5/16.0.31257.94
21/640.32818.33
11/32.0.34388.73
23/64.0.35949.13
3/8.0.3759.53
25/64.0.39069.92
13/32.0.406310.32
27/64.0.421910.72
7/16.0.437511.11
29/64.0.453111.51
15/32.0.468811.91
31/64.0.484412.3
1/2.0.512.7

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