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EDiamondTools Dry Drill Core Bits for Brick, Concrete Block, Masonry - 2" Diameter 5/8"-11 Threaded #30/40 Diamond Grit

Q: I have an sds max bulldog drill. What adapter do I need for this Bit?

this one should work.....https://www.amazon.com/Core-Drill-Adapter-Male-Drilling/dp/B01F4IQS76/ref=sr_1_1?s=hi&ie=UTF8&qid=1544234703&sr=1-1&keywords=sds+max+adapter+for+core+bits there are several to chose from on amazon just search for SDS MAX adapter for core bit

Q: Need a 2 1/2 hole in street curb for drainage pipe, curb 6 - 6 1/2 inches thick, have Dewalt dwe4011 angle grinder w/ 5/8"-11 spindle, will this do it

The grinder can't give you an option to slow down the RPM unless you have a variable speed grinder. Drilling on concrete, you must use a slow gear of about 250 rpm or less so a grinder might not be the best option unless you don't have any drill and you enjoy melting the core bit or worse hurting yourself. Or maybe you can slow down the grinder if you put an inline high wattage dimmer switch (bad idea) or use a Variac “Voltage Regulating Transformer” and make sure it is an isolated AC transformer such as the “10 Amp Variac Variable Transformer with Isolation, 1000va Max, 0~130 Volt Output”. For a lab, there is a dedicated lab-grade variable or regulated high-voltage power supply. Without isolation, oscilloscope probing can be dangerous, as the BNC connector sheaths are shorted to mains earth. Careful because typical AC motors would require variable frequency drive. Lowering the voltage on a typical motor only increases the current, which leads to overheating and burnout. People say this is only for reducing AC voltage applications; for controlling AC motor you will need 3 phase motor controller. They spin between 2,800 to 10,000 rpm and the lowest setting is still too fast for drilling into concrete. It should be around 150 rpm and maximum 250 rpm. In conclusion I absolutely don’t advise on using an angle grinder. It is a very bad idea. Regarding buying a variable angle grinder, it is still too fast and I don’t advise that either. Besides, you face is too close to the project and the tool design will not have stability. Very unsafe. In the oil and gas industry, they use a maximum of 250 RPM when they drill cores into rocks.

Q: Have dewalt spline hammer drill & a sds adapter for small bits & hd milwaukee right angle drill which to use for 8" concrete?

I ran it on a Dewalt 1/2” angle drill at low speed. If possible use a little water, keep it good and straight.

Q: I have an dewalt sds plus rotary hammer drill what attachment do i need to make this work?

Hi, we have a SDS-plus core bit with pilot bit here: https://www.amazon.com/dp/B077WR36NY Please remember to turn off hammer mode when using a core bit.

Product ID: 328318604

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Details

Material
Diamond
Cutting Diameter
2" Inches
Finish Type
Diamond
Shank Type
Threaded
Brand
EDiamondTools

Frequently Bought Together

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SHDIATOOL Core Drill Bit Adapter 5/8 inch-11 Thread Male to SDS Plus Shank for SDS Plus Drills

Toolocity cbadptr_0038 Adapter For Core Bits-5/8"-11 To 3/8" Triangle Shank, Black

Description

EDiamondTools Dry Drill Core Bits for Brick, Concrete Block, Masonry - 2" Diameter 5/8"-11 Threaded #30/40 Diamond Grit

Specifications

Material	Diamond
Cutting Diameter	2" Inches
Finish Type	Diamond
Shank Type	Threaded
Brand	EDiamondTools
Item dimensions L x W x H	11.61 x 2.6 x 2.6 inches
Tool Flute Type	Straight
Minimum Bore Diameter	9.5 Inches
Point Style	Diamond Point
Surface Recommendation	concrete, brick
Number of Flutes	3
UPC	727363140067
Unit Count	1 Count
Manufacturer	EDiamondTools
Part Number	DBP0200A5
Item Weight	1 pounds
Product Dimensions	11.61 x 2.6 x 2.6 inches
Item model number	DBP0200A5
Is Discontinued By Manufacturer	No
Size	2 in
Style	9.5" Drill Depth - Dry
Finish	Diamond
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

I have an sds max bulldog drill. What adapter do I need for this Bit?

Need a 2 1/2 hole in street curb for drainage pipe, curb 6 - 6 1/2 inches thick, have Dewalt dwe4011 angle grinder w/ 5/8"-11 spindle, will this do it

Have dewalt spline hammer drill & a sds adapter for small bits & hd milwaukee right angle drill which to use for 8" concrete?

I have an dewalt sds plus rotary hammer drill what attachment do i need to make this work?

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