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OCGIG 6-65mm Large HSS Spiral Groove Step Drill Titanium Coated Bit Hole Cutter
Product Parameters
Total Length:12.5cm/4.92inch
Diameter of the shank:1cm/0.39inch
Drill Blade Length:9mm/0.354inch
Bevel Height:3.6mm/0.142inch
Blade Length Per section:5mm/0.197mm
6-65mm: 13 Steps (6,10,15,20,25,30,35,40,45,50,55,60,65mm)
Widely Used & Attention
1.The rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2'' in thickness.
2.Note:High temperature will occur during work, and it is necessary to add parallel coolant to cool the drill bit.
Longer Service Life
Four Attractive Advantages
Attractive&Practical Design
6-65mm Step Structure
Bernard DATO-ACTIS
Reviewed in France on March 20, 2025
Ce forêt à étage peut éventuellement servir pour percer des trous dans des panneaux de matière plastique d'une épaisseur ne dépassant pas 3mm.Totalement inefficace dans de la tôle d'acier ou d'aluminium même de faible épaisseur, et son utilisation pour des diamètres supérieurs à 10mm est dangereuse : Bloquage, déformation de la tôle, risque de blessure.Je ne recommande pas cet achat, l'utilisation d'un jeu de scies cloches est bien mieux adapté.
Jonathan Tatler
Reviewed in the United Kingdom on August 2, 2024
Trying to open up an existing hole? This works brilliantly so long as you have the clearance, enlarge the hole right up to 63mm!Forget hole saws, this replaces it for almost any cable gland.
Roxy95
Reviewed in Germany on July 19, 2024
Lieferung TopEinziges Manko ist das er fast nicht mehr an einem normalen Akku schrauber benutzt werden kann.
ralph k
Reviewed in Canada on October 21, 2024
it preformed excellent i drilled a 3 " in my truck steel deck to mount marker lights
BluPenguin
Reviewed in the United States on September 2, 2021
Works great on sheet metal and punch out holes. About the same quality as average hardware store HSS bits but in large size.
Aron Baer
Reviewed in the United States on October 20, 2021
I've only done two wheels with cutting oil so far, it takes a while but works and still appears to be sharp, having to go through a good 3/8 inch of material. No problems with heat as the wheels were acting as a big heatsink, was able to touch the bit still after using it for a couple minutes just had to give my drill a rest pretty often as it's not a great one, and the bit is huge, though the shank did fit in a standard chuck. Overall pleased with my purchase, as it made some wheels I had useful to me again.
Ray Moore
Reviewed in the United States on November 8, 2020
Saw blade, punch, & step bit was g fine, but box was almost open. Shipping needs 2 b better. Items could hve been lost, if not stolen. 3 stars.
G. Robinson
Reviewed in the United States on November 3, 2020
I found this to cut through metal well. Used this on brass and aluminum. If you use this on aluminum, speed control and lubrication is important. It tends to chatter if you go too fast and hard but lubrication makes cutting easy. Good quality.
Matthew S.
Reviewed in the United States on March 15, 2019
It's a monster bit, did what I needed thru aluminum but is a bit cumbersome in small spaces and with a cordless drill
ogryzek
Reviewed in the United States on January 29, 2019
This product does NOT work as described due to 2 major design flaws:(1) the material used is not hard enough and sharp enough to cleanly cut common metals, and(2) the steps are too large.Where other similar bits increase the step by a single millimeter (1mm, or 1/16th of an inch), here it jumps by 5mm per step. As a result you can get a fairly clean hole up to 20mm (roughly 3/4") in dia. IF used on sheet metal (mild steel or aluminum) that's the practical max for this tool. Beyond that you enter the realm of bent, ripped and overall messed up parts. Results are NOT pretty.
Jim M.
Reviewed in the United States on November 12, 2018
What more can I say - it seems relatively durable and it cuts well.
Dustin G
Reviewed in Canada on October 12, 2018
For the price this is a nice bit ...First thoughts right out of the shipping package... it's a huge step bit ...the sides that expand the holes seem sharp and well machinedIt has a non slip 3 flats shank for the drill end that is approximately 7/16" nice size for strength in a 1/2" inch drillAfter I use this I'll update the review
John Lindsey
Reviewed in the United States on April 11, 2018
Hey a really great tool for making a hole bigger. I had some gunnel rod holders that I wanted to use to hold a boat pole, but the hole wasn't big enough for the handle. This was just the tool. Plenty sharp to cut through the plastic. I'll be glad to have this in the drill box for those times when I have to make a hole bigger...
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