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Description
Allegiance SF-1 2-Inch Double Cut Pointed Tree Solid Carbide Burr 1/4-Inch Shank for Metal Grinding Contouring and V-CutsThe Go To Burr for Sharp Angles and V Cuts Stop trying to force a cylindrical burr into a tight corner. The Allegiance SF 1 is the specialty tool you need for the job. Its "pointed tree" shape is perfect for getting into acute angled grooves, deburring V cuts, and contouring inside of welded joints. The double cut (cross cut) flutes give you smooth, controllable grinding and a fine finish, breaking down tough steel and metal into small chips. Key
The Go-To Burr for Sharp Angles and V-Cuts
Stop trying to force a cylindrical burr into a tight corner. The Allegiance SF-1 is the specialty tool you need for the job. Its "pointed tree" shape is perfect for getting into acute-angled grooves, deburring V-cuts, and contouring inside of welded joints. The double-cut (cross-cut) flutes give you smooth, controllable grinding and a fine finish, breaking down tough steel and metal into small chips.
Key Features
- Double-Cut Head: Produces small chips for smooth operation and a finer finish. Ideal for ferrous and non-ferrous metals.
- Pointed Tree Shape (SF-1): The tapered head is designed for grinding in tight corners, acute angles, and V-cuts.
- Solid Tungsten Carbide: Made from one solid piece of carbide for maximum rigidity, high-heat tolerance, and a long cutting life.
- 1/4-Inch Shank: The industry standard shank, compatible with most 1/4-inch die grinders and rotary tools.
- Versatile Application: Makes quick work of deburring, shaping, porting, and contouring on steel, cast iron, and aluminum.
What's Included
- (1) SF-1 1/4" Double Cut Pointed Tree Solid Carbide Burr
Specifications
| Specification | Detail |
| Brand | Allegiance |
| Model | SF-1 |
| Material | Solid Tungsten Carbide |
| Cut Type | Double Cut (Cross-Cut) |
| Head Shape | Pointed Tree (Radius End) |
| Head Diameter | 1/4" |
| Head Length of Cut | 5/8" |
| Shank Diameter | 1/4" |
| Overall Length | 2" |
| Application | Steel, Cast Iron, Non-Ferrous Metals |
| Max RPM | 30,000 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 608 reviews
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Product Reviews
★★★★★ 4
Bought it for the Egg Yolk Ball
Be real, the egg yolk ball caught your eye. If not, well, it did for me. I read the list of ingredients and they seemed pretty good so I figured I would give it a try. The directions were pretty simple: Shake the bottle like crazy and then apply. I only just started using it so I can't attest to how it works on fine lines, which is why I gave it four stars.
I will say that it hasn't made me break out and I LOVE that it seems to melt right into the skin. It doesn't stay like some sticky mask, which is a feeling I really loathe. I also really like that there's absolutely no scent to it. After using it about two times I do feel like my skin is a little softer and more hydrated. My skin also has this really nice "glassy" look to it, which I love. Normally, the only way I get that is if I have some really heavy hydrating cream that makes me feel super gross. I'd say the glassy look lasts a few hours.
Will come back and give this five stars after a month IF it that little ball thing really does work magic.
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Reviewed in the United States on July 29, 2025
★★★★★ 5
FAVORITE NEW SERUM - works great at any age!!
This serum is wonderful. I love how you shake it up to dispense the salmon PDRN "egg" throughout everyday before you use it.
At over 80 years old, I mainly want to focus on keeping my skin healthy and well hydrated and as youthful looking as possible. I know that you can't turn back time, but you can certainly maximize your skin health and make it look more radiant.
Did I ever think I would be applying salmon egg stuff to my face at this point in life? No, but I certainly am glad that I did so.
My daughter told me about this, and said she thought it might be a good way for me to try out serums. She was right!!
I generally consider the whole world of multi-step skincare a little bit too much for me, but I must admit, this was a really good way to start.
It has not caused irritation to my skin, and it has not caused any oiliness or breakouts. My skin texture actually looks improved even after I have only used this for around 2 weeks now.
My skin looks so much more dewy and refreshed, which of course I absolutely love. Two friends at church complimented me on my skin today!!
I will keep using this serum and I plan to stock up on it because I sure don't want to run out.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Absolutely Love!!
Love it .. it's as delicious on the skin as salmon is to eat .. feels like a healthy fat for your skin ! Pleasantly surprised Blind buy , incredible product for the price , very quality .. goes on greasy initially like an oil ( In a good way ! ) .. but absorbs fast feels light , like a light watery grease , so much fun to apply , feels so good youll want to bathe in it .. I find myself applying to elbows and hands .. my skin Does have a hydrated glow throughout the day but stays light ,, doesn't get heavy, doesn't feel like I'm wearing anything .. works better as a primer too light to really be a moisturizer
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Reviewed in the United States on February 4, 2026
★★★★★ 3
not medical‑grade PDRN
it is not medical‑grade PDRN, the brand is small and new, and the product is more hydrating/firming than the dramatic “skin repair” claims suggest. It is not dangerous, but it is also not the miracle it markets itself to be. bHydrates deeply, , Makes skin look plumper and bouncier, • Helps dryness and dullness, Gives a temporary “glass skin” glow
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Reviewed in the United States on January 21, 2026
★★★★★ 5
Glow & texture focus
Really good serum! Helps calm redness and dryness, especially after microneedling. Lightweight, non-sticky, and absorbs fast. My skin feels softer and more balanced since I started using it. Worth trying if you want soothing and healing-focused skincare.
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Reviewed in the United States on January 30, 2026
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