Qualtech

#8 .163mm Machine Screw Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the...

#10 .189mm Machine Screw Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the...

#12 .215mm Machine Screw Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the...

1/4" HSS Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is usually...

5/16" HSS Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is...

3/8" HSS Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is usually...

7/16" HSS Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is...

1/2" HSS Solid Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less), the operations is usually...

1/4" X 3/32" Pilot Hole HSS Taper Shank Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less),...

9/32" X 3/32" Pilot Hole HSS Taper Shank Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less),...

5/16" X 3/32" Pilot Hole HSS Taper Shank Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less),...

3/8" X 5/32" Pilot Hole HSS Taper Shank Counterbore Counterboring is the enlargement of a portion of a hole that has previously been formed. If the counterbored portion is shallow (1/8" or less),...