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Accusize Industrial Tools
Metric HSS Solid Cap Screw Counterbore Set
Seven-piece set, three flute, high-speed steel, straight shank, metric
SKU: 508S-007M
Specification of Each Cap Screw Counterbores
Shank sizes: M3-5.5mm/.218", M4-7.9mm/.312", M5-7.9mm/.312", M6-12.7mm/.500", M8-12.7mm/.500", M110-12.7mm/.500", M12-15.8mm/.625"
Insert a bolt?
We often need to insert a bolt into a hole on a workpiece
Try Accusize Solid Cap Screw Counterbores
- Use a center drill
- Use a drill bit
- Use a solid cap screw counterbore
Recommended Cutting Parameters for Each Cap Screw Counterbores
Net
Reviewed in the United States on February 21, 2024
This delivered fast. Seem good. Havent used them as of yet.Will update when used
Conrad Brenko
Reviewed in Canada on June 27, 2023
Haven't used them yet
Chris
Reviewed in the United States on November 26, 2023
Bought these to create a M5 Counterbored hole for a project I am working on, I used a 12 speed drill press with a 5/8 chuck, WD-40 as a cutting fluid, the clearance hole was predrilled.
Jacob C.
Reviewed in the United States on November 22, 2023
The media could not be loaded.
Landslide
Reviewed in Canada on January 2, 2020
Arrived as per description. Adequate quality for counter boring materials.
Miss.TD
Reviewed in Canada on October 17, 2019
Do the job right
Calibrator54
Reviewed in the United States on January 17, 2019
used to using low-profile cutters but these work as good; just needs more room
RT
Reviewed in the United States on September 2, 2018
Very low quality appearance. Will update with a performance report as soon as I get a chance to try themUpdate: they actually cut pretty well on 6061 aluminum. I upgrade my 1 star to 3 stars
Timothy C White
Reviewed in the United States on July 28, 2018
clears those cap screws
Clint Hildebrand
Reviewed in Canada on October 22, 2018
These were exactly what I needed, and at a great price.
hugh lafever
Reviewed in the United States on December 15, 2017
cuts really well & to size , fast delivery
Dude guy
Reviewed in the United States on October 15, 2017
These are amazing. Not just amazing because of the price, they are great countersinks, and the low price is an added benefit! Been utilizing countersunk cap head screws a LOT this past summer since buying these. If you are into building your own tooling, these are great to have. The trick to them is low rpm (500rpm or so) and match the through drill bit size to the guide tip on the countersink.
Slurpee Guy
Reviewed in Canada on March 8, 2015
Works fine on aluminum. Haven't tried with steel.
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