Crosstech Straight Flat End X-Cut Fissure Carbide Bur – Pack of 5
- Free shipping over $50 in Canada
- Secure checkout
- Ships from Laval, QC
Product Overview
The Crosstech straight flat end x-cut fissure carbide bur is a 6-blade operative carbide bur listed in the Crosstech 2026 carbide catalog. It is available in 9 bur number/sizes and multiple shank types (friction grip, short, surgical-length, latch and straight handpiece, depending on size). Crosstech lists two constructions: premium carbide burs made in Canada and solid carbide one-piece burs made in the USA. Straight crosscut fissure burs are commonly used for cavity preparation and sectioning.
Sold as a pack of 5 burs. Select the options below; each combination has its own Crosstech product code.
Key Features
- 6-blade carbide head
- Made in Canada versions: catalog states "Premium carbide burs – made by Kerr from Canada" with precision-ground cutting edges
- One-piece USA versions: solid carbide one-piece construction; Crosstech states this eliminates joint breakage
- Pack of 5 burs per variant
Specifications
- Manufacturer / brand: Crosstech (Crosstech Canada)
- Bur type: Carbide
- Shape: Straight Flat End X-Cut Fissure
- Bur No.: 555, 556, 557, 558, 559, 560, 556L, 557L, 558L
- Bur No. & Size options: #555 · 008 – Ø0.8 mm × 3.2 mm, #556 · 009 – Ø0.9 mm × 3.2 mm, #557 · 010 – Ø1 mm × 3.7 mm, #558 · 012 – Ø1.2 mm × 3.7 mm, #559 · 014 – Ø1.4 mm × 4.1 mm, #560 · 016 – Ø1.6 mm × 4.1 mm, #556L · 009 – Ø0.9 mm × 4.6 mm, #557L · 010 – Ø1 mm × 4.9 mm, #558L · 012 – Ø1.2 mm × 4.9 mm
- Shank options: FG, FG Surgical (FGOS), FG Short (FGSS), HP Straight, RA Latch, RA Surgical (RAOS)
- Construction options: One-Piece, Made in USA, Made in Canada
- Shank dimensions (Crosstech shank chart): FG Ø1.6 mm, 19–21 mm long; FG Surgical (FGOS) Ø1.6 mm, 25 mm long; FG Short (FGSS) Ø1.6 mm, 16.5 mm long; HP Straight Ø2.35 mm, 44.5 mm long; RA Latch Ø2.35 mm, 22 mm long; RA Surgical (RAOS) Ø2.35 mm, 26 mm long
- Package quantity: 5 burs per pack
Available Variants & Ordering Codes
| Bur No. & Size | Shank | Construction | Crosstech code (SKU) |
|---|---|---|---|
| #555 · 008 – Ø0.8 mm × 3.2 mm | FG | One-Piece, Made in USA | FG555-1 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | FG | Made in Canada | FG556 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | FG | One-Piece, Made in USA | FG556-1 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | FG Surgical (FGOS) | Made in Canada | FGOS556 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | FG Short (FGSS) | Made in Canada | FGSS556 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | FG Short (FGSS) | One-Piece, Made in USA | FGSS556-1 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | HP Straight | Made in Canada | HP556 |
| #556 · 009 – Ø0.9 mm × 3.2 mm | RA Latch | Made in Canada | RA556 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG | Made in Canada | FG557 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG | One-Piece, Made in USA | FG557-1 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG Surgical (FGOS) | Made in Canada | FGOS557 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG Surgical (FGOS) | One-Piece, Made in USA | FGOS557-1 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG Short (FGSS) | Made in Canada | FGSS557 |
| #557 · 010 – Ø1 mm × 3.7 mm | FG Short (FGSS) | One-Piece, Made in USA | FGSS557-1 |
| #557 · 010 – Ø1 mm × 3.7 mm | HP Straight | Made in Canada | HP557 |
| #557 · 010 – Ø1 mm × 3.7 mm | RA Latch | Made in Canada | RA557 |
| #557 · 010 – Ø1 mm × 3.7 mm | RA Surgical (RAOS) | Made in Canada | RAOS557 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG | Made in Canada | FG558 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG | One-Piece, Made in USA | FG558-1 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG Surgical (FGOS) | Made in Canada | FGOS558 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG Surgical (FGOS) | One-Piece, Made in USA | FGOS558-1 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG Short (FGSS) | Made in Canada | FGSS558 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | FG Short (FGSS) | One-Piece, Made in USA | FGSS558-1 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | HP Straight | Made in Canada | HP558 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | RA Latch | Made in Canada | RA558 |
| #558 · 012 – Ø1.2 mm × 3.7 mm | RA Surgical (RAOS) | Made in Canada | RAOS558 |
| #559 · 014 – Ø1.4 mm × 4.1 mm | FG | Made in Canada | FG559 |
| #559 · 014 – Ø1.4 mm × 4.1 mm | FG | One-Piece, Made in USA | FG559-1 |
| #559 · 014 – Ø1.4 mm × 4.1 mm | FG Surgical (FGOS) | Made in Canada | FGOS559 |
| #559 · 014 – Ø1.4 mm × 4.1 mm | HP Straight | Made in Canada | HP559 |
| #559 · 014 – Ø1.4 mm × 4.1 mm | RA Latch | Made in Canada | RA559 |
| #560 · 016 – Ø1.6 mm × 4.1 mm | FG | Made in Canada | FG560 |
| #560 · 016 – Ø1.6 mm × 4.1 mm | FG Surgical (FGOS) | Made in Canada | FGOS560 |
| #560 · 016 – Ø1.6 mm × 4.1 mm | HP Straight | Made in Canada | HP560 |
| #556L · 009 – Ø0.9 mm × 4.6 mm | FG | Made in Canada | FG556L |
| #557L · 010 – Ø1 mm × 4.9 mm | FG | Made in Canada | FG557L |
| #557L · 010 – Ø1 mm × 4.9 mm | FG | One-Piece, Made in USA | FG557L-1 |
| #557L · 010 – Ø1 mm × 4.9 mm | FG Surgical (FGOS) | One-Piece, Made in USA | FGOS557L-1 |
| #557L · 010 – Ø1 mm × 4.9 mm | FG Short (FGSS) | Made in Canada | FGSS557L |
| #558L · 012 – Ø1.2 mm × 4.9 mm | FG | Made in Canada | FG558L |
| #558L · 012 – Ø1.2 mm × 4.9 mm | FG | One-Piece, Made in USA | FG558L-1 |
Purchasing Information
Crosstech burs from NNA Medical, a Canadian dental supply store. Product codes, sizes and specifications are taken from the Crosstech 2026 catalog. Product images are taken from the Crosstech catalog and show the bur shape and size; the grit colour band may not be shown.
Shipping
Free shipping on orders over $50 within Canada. Canadian orders under $50 ship at our standard rates, and orders outside Canada are charged shipping at checkout. See our shipping policy.
Returns
Unused items in their original packaging can be returned within 30 days of delivery. For hygiene reasons, opened disposables and used instruments can't be returned. See our return policy.
Questions about this product?
Our team is happy to help. Call 514-572-6886 or email nna.medical@gmail.com.