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TwistFlex 3-1/2” 320 Silicon Carbide Cylinder Hone 84-89mm 3.3" - 3.5" Bore
✅ In stock
📉 Price recently dropped
F
Grade
Analysis Confidence
55%
Price verified Sep 23, 2026 9:19 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price is slightly above the going rate for this product — worth watching for a drop.
- 📉A lower price did appear very recently, suggesting the market may revisit that level before long.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
DABYNOLOGY, LLC
📦 Fulfillment
Fulfilled by Amazon
Product Details
✓In the Box: 1 each Pro-Graad TwistFlex Size: 3 1/2" 3.5" (89mm) Bore Diameter, Working Length of Brush 3.5" (89mm), Shank Diameter 0.315" (8mm), Overall Length 13.5" (343mm). for USE ON BORE DIAMETERS 3.3" - 3.5". This 320 Grit Silicon Carbide TwistFlex Cylinder Hone is an ideal choice for steel sleeved and Nikasil coated cylinders.
✓The Pro-Graad TwistFlex 3-1/2 Cylinder Honing & Deburring Tool is manufactured oversized - ORDER BY THE BORE SIZE. Brush will be approximately ten percent oversized, but will easily conform and fit into the bore size diameter due to the flexibility of the honing tool stems.
✓Pro-Graad TwistFlex Cylinder Honing & Deburring Tool brushes have round abrasive spheres fastened to ends of flexible stems, which produces pressure and finishing evenly and consistently. for Engine Cylinders, Brake Cylinders, Hydraulics and Valve Guides.
✓[VERSATILE APPLICATION]: The Pro-Graad TwistFlex Cylinder Honing & Deburring Tool can be run with hand tools, drill press, or CNC equipment. Apply a lubricant liberally such as a honing tool lubricant, 10-30 weight motor oil, or transmission fluid prior to using honing tool brush. Max RPM is 600, however optimum range is 300 - 500 RPM. Tip: If producing cross-hatching pattern, less is best - maximum of two passes should be done with brush within 20-45 seconds of total run time, averaging between 10-55 strokes.
✓The 3.5 inch TwistFlex Cylinder Honing & Deburring Tool is self-centering, self-aligning and will conform to the bore diameter to provide consistent surface finishing, as well as deburring any cross-drilled holes. The brush is self-compensating to produce a consistent finish throughout the life of the tool.
⚙️ Specifications
Material
320 Grit Silicon Carbide
Brand
Pro-Graad
Grit Material
Silicon Carbide
Bristle Type
Flexible nylon stems bonded with abrasive globules
Color
Black
Brand Name
Pro-Graad
Unit Count
1 Count
Manufacturer
Pro-Graad
UPC
850056393713
Included Components
1 each TwistFlex Cylinder Hone 3-1/2", Silicon Carbide, 320 Grit
Model
TwistFlex Cylinder Hone
