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Description
Husqvarna Vari-Drill B30 4-1/2-in Diamond Core Drill Bit High Speed Turbo Coring for Reinforced Concrete and Masonry Professional Grade Wet DrillingMaster the Toughest Concrete: Professional Grade Coring with Turbo Speed The Husqvarna Vari Drill B30 4 1 2" Diamond Core Drill Bit (592881009) is engineered for professional contractors who demand a perfect balance between rapid cutting speed and long term durability. Developed for all round professional use, this silver level turbo core bit excels in highly reinforced concrete and masonry applications. Whether you are roughing in plumbing,
Master the Toughest Concrete: Professional-Grade Coring with Turbo Speed
The Husqvarna Vari-Drill B30 4-1/2" Diamond Core Drill Bit (592881009) is engineered for professional contractors who demand a perfect balance between rapid cutting speed and long-term durability. Developed for all-round professional use, this silver-level turbo core bit excels in highly reinforced concrete and masonry applications. Whether you are roughing in plumbing, installing large HVAC ductwork, or running heavy electrical conduits, the B30 provides a stable, chatter-free experience that slices through heavy rebar without sacrificing segment integrity or tool life.
Optimized exclusively for wet drilling operations, the B30 utilizes advanced laser-welded straight segments to ensure maximum safety and bond strength under high-torque conditions. The lightweight, thin-wall barrel construction facilitates smoother, rapid penetration, making it an excellent choice for both handheld and rig-mounted applications. With its universal 1-1/4"-7 threaded connection, this 4-1/2 inch core bit integrates seamlessly with the full line of Husqvarna drill motors and industry-standard equipment, delivering professional-tier reliability for any demanding job site.
Key Features
- Turbo Segment Technology: Specifically engineered to maintain high penetration rates in medium to hard concrete with high steel reinforcement.
- Professional Silver Performance: Provides an exceptional balance of cost-efficiency and top-tier cutting speed for daily job site use.
- Laser-Welded Durability: Enhanced bond strength ensures maximum segment retention and heat resistance during intensive drilling cycles.
- Thin-Wall Barrel: Lightweight design enables smoother, faster drilling and improved maneuverability for the operator.
- Universal Compatibility: Standard 1-1/4"-7 threaded connection designed to fit most Husqvarna and professional-grade core drill rigs.
- Wet Use Optimized: Engineered for superior cooling and debris removal to prevent segment glazing and extend tool life.
What's Included
- (1) Husqvarna Vari-Drill B30 4-1/2" Wet Diamond Core Bit (592881009)
Specifications
| Brand | Husqvarna |
| Model Number | 592881009 |
| Series | Vari-Drill B30 |
| Bit Diameter | 4-1/2 in (4.5 in) |
| Thread Connection | 1-1/4 in - 7 UNC |
| Drilling Depth | 14 in |
| Total Segment Height | 0.4 in |
| Diamond Depth | 0.3 in |
| Segment Bond Type | Laser-Welded |
| Usage Type | Wet Use Only |
Pro-Tip: When drilling through heavy rebar, listen to your core motor. If the RPMs drop significantly, slightly reduce the feed pressure to allow the diamonds to grind through the steel without glazing. Always maintain a consistent water flow to flush out metal and concrete slurry, which prevents the bit from binding and overheating.
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4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
THE SINGLE FINEST AND MOST ESSENTIAL BOOK OF THE AGE
Format: Paperback
A masterpiece of scholarship and analysis.
This book is nothing less than the single most important work that you will ever read.
Our entire culture is built on Holocaust Denial while those most responsible for this abnesia drape themselves in the flag of holocaust memorialism but have little honesty in their true agenda. An agenda that allows in North America alone for there to be at least 50 Holocaust memorials, museums and monuments...
only problem is they are ALL about the Holocaust that happened in Europe and NOT about the colossal extermination that took place where they live. It is not only denial on the part of the nations of the Americas and Europe but those responsible for this Holocaust Denial in relation to Indian America insist on an image of being the world's caretakers of holocaust memory. What a bloody audacity.
Why do we let the Spanish off the hook so lightly? Why is there no demand for Spain to make its Mea Culpa? Why is there no AMERICAS HOLOCAUST memorial in Madrid, Washington, London and Ottawa ?
This brilliant book re-addresses the imbalance.
POST SCRIPT....
There is a reviewer further down who uses the monica of
"history buff" who rejects the value and integrity of this work. In fact he utterly insults Mr Stannard and his thesis.
So I thought I would check out his other reviews...oh boy!
One of the remarks he makes in a book claiming that Saddam was behind 9/11 goes "But it is very difficult to argue with the facts that were available to the agencies which pointed to a direct link between Saddam and Al Qaeda." This example of his world view is the mild end of it. So people consider the character of the self-described "history buff" who rejects Stannard's brilliant thesis on the Holocaust in the Americas.
The reviewer "history buff" has a world view that comes straight out of the 1950's HUAC committee (he associates all Left wing thought with the Soviet Union not knowing that the Bolshevik regime prohibited the platform of the revolution and that its first victims were in fact the most sincere and dedicated Left revolutionaries. Clearly he has never read the finest autobiography in the history of English language autobiography; Emma Goldman's LIVING MY LIFE volume 1 and volume 2. The latter volume includes a first hand account of the destruction NOT construction of socialism by Lenin and his cohorts ).
.
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Reviewed in the United States on June 5, 2006
★★★★★ 5
EXTINCTION
Format: Paperback
Normally when the word extinct is used it is in reference to animals but after reading this book this term can legitimately be used to describe what happened to the original citizens of America the American Indians. Christopher Columbus and his minions (I refuse to call them soldiers) savagely murdered and killed countless numbers of these Indians, a vivid example of this is given on page 83 " One favorite sport of the conquistadors was "dogging." Traveling as they did with packs of armored wolfhounds and mastiffs that were on a diet of human flesh and were trained to disembowel Indians, the Spanish used the dogs to terrorize slaves and to entertain the troops. An entire book Dogs of the Conquest, has been published recently, detailing the exploits of these animals as they accompanied their masters throughout the course of the Spanish depredations. "A properly fleshed dog," these authors say, "could pursue a 'savage' as zealously and effectively as a deer or a boar.... To many of the conquerors, the Indian was merely another savage animal, and the dogs were trained to pursue and rip apart their human quarry with the same zest as they felt when hunting wild beasts." And also on pages 83-84 "Just as the Spanish soldiers seem to have particularly enjoyed testing the sharpness of their yard-long rapier blades on the bodies of Indian children, so their dogs seemed to find the soft bodies of infants especially tasty, and thus the accounts of the invading conquistadors and the padres who traveled with them are filled with detailed descriptions of young Indian children routinely taken from their parents and fed to the hungry animals. Men who could take pleasure in this sort of thing had little trouble with less sensitive matters, such as the sacking and burning of entire cities and towns, and the destruction of books and tablets containing millennia of accumulated knowledge, wisdom, and religious belief."
After page 146 there's an illustrated unnumbered section titled Genocide the first nine pages of this section contain pictures of how the Spanish tortured and killed Indian women and children as stated on the second page of this section "[The Spaniards] took babies from their mothers' breasts, grabbing them by the feet and smashing their heads against rocks...They built a long gibbet, low enough for the toes to touch the ground and prevent strangling, and hanged thirteen [natives] at a time in honor of Christ Our Saviour and the twelve Apostles. Then, straw was wrapped around their torn bodies and they were burned alive."
Not to be outdone the good old American cavalry also engaged in its' fair share of savage murder and killing as can be seen from the bottom of page126 to the top of page 127 "They turned their guns, Hotchkiss guns, etc., upon the women who were in the lodges standing under a flag of truce, and of course as soon as they were fired upon they fled....There was a woman with an infant in her arms who was killed as she almost touched the flag of truce, and the women and children of course were strewn all along the circular village until they were dispatched. Right near the flag of truce a mother was shot down with her infant; the child not knowing that its mother was dead was still nursing, and that was especially a very sad sight. The women as they were fleeing with their babes were killed together, shot right through, and the women who were very heavy with child were also killed." I personally do not celebrate Columbus Day and Thanksgiving Day this book is ample proof and evidence as to why these two days should be set aside as a time for mourning not celebration, if you want your children to have a true understanding of American history then I strongly urge you to buy this book and have it as part of your home library.
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Reviewed in the United States on July 5, 2015
★★★★★ 5
ABSOLUTE MUST READ
Format: Hardcover
Probably the best book I have ever read on the subject. Unlike most books written by college professors who love to give their opinion, tell ya how it is, Stannard lets the actual notes of the past speak for themselves. Also probably the best sourced book I have ever read (and I have read many). It can be a bit of a tough read, horror show that our history is but itʼs mandatory knowledge. Without spoiling it, the book is laid out in a most unexpected but awesome way that really nails it. It gets into the WTF were these people thing in a most thorough way. VERY VERY well thought through. I thought it ended in a bit of an odd spot (time), but iʼm sure that was intentional. Should be in every high school classroom in America.
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Reviewed in the United States on March 10, 2023
★★★★★ 4
Textbook
Format: Paperback
There was plenty of work put into this book and a lot of research. The reason why I did not give the fifth star is due to the reading of the book. To me I felt like I was back in school reading a textbook which after a time became tedious. It started to get to the point of reading too fast just to get the pages to go by. I probably missed some information as I found the book boring at times. The advice that I would give somebody is to read the book slowly and not to read too many pages and then put it down to pick it up another day. This way you can absorb the information better.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
The Unalterable Truth
Format: Paperback
The publisher's description of this book claims that there would be a severe reaction within American society due to the facts Professor Stannard brought to light. There was, unfortunately yet not unexpectedly, not much of a response to the horrifying truths revealed in his compelling narrative on the fate of the Western Hemisphere's indigenous people. Most Americans simply do not seem to care whether their nation's history, from the moment Columbus set foot in "The New World" and claimed that the people he encountered would make good slaves to the immediate present, is bathed in copious amounts of indigenous people's blood. The European's behavior when they were unleashed upon the unsuspecting Native Americans reveals not only their homicidal nature and destructive approach to a relatively pristine world; but their unfathomably horrid and continuous attempts to keep the destruction and death going. Extermination was the name of the game and even a cursory glance at the American newspapers of the nineteenth century reveals a national psychology which leaves one in a vast and endless state of confusion and disbelief. But it's all true. The phrase, "The Final Solution" was coined by nineteenth century Americans, not Hitler's Germany. Tens of millions perished, an eternal food source, the buffalo herds, were almost rendered extinct and while all this was occurring the people of Africa were chained to their masters' bidding. The people of Iraq understand. So do the Vietnamese and now the Syrians and many, many, many more. Of course, on publication Dr. Stannard was labeled a crank for mostly revealing that American "exceptionalism" is merely a high falootin' excuse for mass death and destruction.
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Reviewed in the United States on August 27, 2017
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