




BHA 4-1/2 x 5/8-11 XL Zirconia Flap Disc T27-40 Grit - 5 Pack
US$61.15
Arrives as soon as ✓ Free shipping over $200Description
Product Details Item Dimensions: 4.5 x 4.5 x 0.04 inches Item Weight: 1.8 pounds Compatible Devices: Angle Grinder Number of Items: 5 Unit Count: 5 Count Part Number: 457DH-5 Grit Type: Med...
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Product Details
- Item Dimensions: 4.5 x 4.5 x 0.04 inches
- Item Weight: 1.8 pounds
- Compatible Devices: Angle Grinder
- Number of Items: 5
- Unit Count: 5 Count
- Part Number: 457DH-5
- Grit Type: Medium
- Grit Number: 36
- Maximum Rotational Speed: 13300 rpm
- Recommended Uses For Product: Grinding
- Compatible Material: Carbon Steel, Cast Iron, Fiberglass, Stainless Steel, Titanium, Wood
- Grit Material Type: Zirconia
- Construction Type: Coated
- Material Type: Ceramic
- Item Dimensions L x W: 4.5"L x 4.5"W
- Item Thickness: 0.5 inches
- Item Diameter: 4.5 inches
- Industry Standard Identifier: Type 27
- Model: 457DH-5
- Number of Packs: 5
- Item Highlight: XL disc is thicker with more flaps, so it lasts longer than a standard flap disc. Zirconia, contaminant free for stainless.
- Set Name: 5 Pack
About this item
- 5/8"-11 THREADED HUB: The metal hub is bonded to a reinforced fiberglass backing plate. This flap disc for angle grinder use also serves as a heavy-duty sanding disc for angle grinder applications. It threads directly onto a 4-1/2" spindle and is removed by hand for faster grit changes.
- 50% MORE CLOTH THAN A STANDARD DISC: High density means more flaps packed into the same 4-1/2" face. More cloth is more abrasive, so these flap wheels 4 1/2 inch across run longer between changes and hold their profile deeper into a heavy grinding job.
- ZIRCONIA GRAIN, GRINDING AID: This 40 grit flap disc runs zirconia on X-weight polyester, resin over resin bonded for grain retention. A grinding aid coats the flaps to cut loading and friction heat, which is what dulls a grinder flap disc early on stainless.
- CONTAMINANT-FREE FOR CLEAN STAINLESS: Under 0.1% iron, sulfur & chlorine, so these zirconia flap discs leave no after-rust on stainless steel; worked at a 0-15 degree angle, rated to 13,300 RPM max.
- TRUSTED BY PROS: BHA (formerly Black Hawk Abrasives) is a name welders, fabricators, and metalworkers rely on - delivering consistent quality and dependable performance job after job, backed by real customer support.
Shipping Policy
Flintby ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Flintby will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@flintby.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Flintby replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.








