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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
IRWIN Unibit 3/8-in 13-Step Drill BitSingle fluted cutting edge for greater control and rounder holes Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood and laminates 3 flatted shank won't slip in chuck Speed point tip for fast starting Laser marked sizes won't wear off with use Unibit #3 is engineered with M35 cobalt steel for maximum life when drilling in tough steel Unibit #3 cobalt contains a 3 8 in hex shank and contains 9 hole
Single-fluted cutting edge for greater control and rounder holes Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, Plexiglas, wood and laminates 3-flatted shank won't slip in chuck Speed point tip for fast starting Laser marked sizes won't wear off with use Unibit #3 is engineered with M35 cobalt steel for maximum life when drilling in tough steel Unibit #3 cobalt contains a 3/8-in hex shank and contains 9 hole sizes- 1/4-in-3/4-in (1/16-in steps) Unibit #1 contains a 1/4-in hex shank and will drill 13 hole sizes- 1/8-in-1/2-in (1/32-in steps) Unibit #4 contains a 3/8-in hex shank and will drill 12 hole sizes- 3/16-7/8-in (1/16-in steps)Features
| Sub-Brand | Unibit |
| Brand/Model Compatibility | Universal |
| Number of Hole Sizes | 12 |
| Diameters of Holes Drilled | 1/8-in to 1/2-in |
| Step Size | 1/8-in |
| Shank Size | 3/8-in |
| Shank Type | Hex |
| Material | Black oxide coated HSS |
| Set/Individual | Set |
| Package Quantity | 3 |
| Warranty | None |
| CA Residents: Prop 65 Warning(s) | Yes |
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
4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 3
Not effective as a cleaner
Size: 16 Fl Oz (Pack of 1), Style: Fresh
If you’re looking for a cleaner, this ain’t it. It’s about as effective as water on plastic.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Inexpensive with Great Results
Item Package Quantity: 1
If you read the instructions it is the easiest and quickest way with the best results I have seen. It takes less than 10 minutes with very little effort.
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Reviewed in the United States on May 14, 2026
★★★★★ 2
Would work on lightly yellowed lens
Item Package Quantity: 1
Did not completely work. Cleared lens up a bit. But for the money it was ok
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Reviewed in the United States on May 5, 2026
★★★★★ 1
Waste of money (seller refunded after results posted)
Item Package Quantity: 1
Do not waste your money. 0 results after application.
update. seller refunded my money after results posted. 5-30-26
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Reviewed in the United States on May 27, 2026
★★★★★ 4
Almost good
Item Package Quantity: 1
They worked kinda good
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Reviewed in the United States on May 14, 2026