

Hero image 0 of Bosch BL21A 21 Piece Black Oxide Metal Drill Bit Set, 0 of 2
Bosch BL21A 21 Piece Black Oxide Metal Drill Bit Set
Key item features
- Accurate Starts: The drill bits feature a no-skate tip design, engineered to provide clean and precise starts for drilling operations.
- Reduced Friction: A black oxide coating is applied to the bits, which effectively generates less friction during use.
- Professional Application: Designed to meet the needs of contractors, electricians, and other professionals for general-purpose drilling.
- Versatile Materials: Suitable for drilling in various materials including wood, plastic, and light-gauge metal.
- Enhanced Durability: The combination of the tip design and black oxide coating contributes to a longer lifespan compared to standard drill bits.
- Improved Grip: Bits measuring 3/16 inches and larger incorporate a three-flat shank design, promoting better gripping and preventing slippage.
- Clean Holes: The split-point tip is specifically engineered to ensure accurate holes without any skating at the start.
Generated by AI
Specs
- Size1
- Drill bit & set typeDrill Bits
- Piece count21
- BrandBosch
- Shank shape3-Flat
- FeaturesHeavy-Duty
Current price is USD$24.27
Price when purchased online
- Free shipping
Free 30-day returns
How do you want your item?
Columbus, 43215
Arrives by Fri, Feb 6
|Sold and shipped by Express Tool Supply
4.536363636363636 stars out of 5, based on 110 seller reviews(4.5)110 seller reviews
Free 30-day returns
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About this item
Product details
Bosch Black Oxide Metal Drill Bits have been designed to satisfy contractors, electricians and other pros who need solid, reliable bits for general-application drilling in wood, plastic and light-gauge metal. The split-point tip has been engineered for no-skate starts and clean, accurate holes. The bit provides longer life than standard drill bits, thanks to the tip design and black oxide coating. The three-flat shank design on bits 3/16 In. and larger promotes better gripping and guards against slipping.
- No-skate tip for clean and accurate starts
- Black oxide coating generates less friction
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Size
1
Compatibility
wood, plastic and light-gauge metal
Drill bit & set type
Drill Bits
Piece count
21
Warranty
Warranty information
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| Size | 1Bosch BL21A 21 Piece Black Oxide Metal Drill Bit Set | 3-5/8 inBOSCH HBT363 3-5/8 in. Bi-Metal T-Slot Hole Saw | 5-PieceSetBosch MC500 5 Piece MultiConstruction Drill Bit Set | 2-1/4 in.BOSCH HBT225 2-1/4 in. Bi-Metal T-Slot Hole Saw | 3/8" x 5"Bosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit | 1-10 mmBosch Professional 18pcs. HSS Twist Drill Bit PointTeQ (for Metal, in ToughBox, Ø 1-10 mm, Accessory Drill) | 1Bosch DDMS40 40-Piece Impact Tough Drill/Drive Custom Case Set | -STROTON Cobalt Drill Bit Set (1/16"-1/2", 17PCS), M35 HSS Heavy Duty Drill Bits for Stainless Steel and Hard Metal. | 3/8" x 5"Bosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit (2-Pack) | 1/16" to 1/4"BOSCH TI9IM 9-Piece Assorted Set Titanium Nitride Coated Metal Drill Bits |
|---|---|---|---|---|---|---|---|---|---|---|
| Drill bit & set type | Drill BitsBosch BL21A 21 Piece Black Oxide Metal Drill Bit Set | Hole Saw Drill BitsBOSCH HBT363 3-5/8 in. Bi-Metal T-Slot Hole Saw | Drill BitsBosch MC500 5 Piece MultiConstruction Drill Bit Set | Hole Saw Drill BitsBOSCH HBT225 2-1/4 in. Bi-Metal T-Slot Hole Saw | Tile & Glass Drill BitsBosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit | Twist Drill BitsBosch Professional 18pcs. HSS Twist Drill Bit PointTeQ (for Metal, in ToughBox, Ø 1-10 mm, Accessory Drill) | Drill BitsBosch DDMS40 40-Piece Impact Tough Drill/Drive Custom Case Set | -STROTON Cobalt Drill Bit Set (1/16"-1/2", 17PCS), M35 HSS Heavy Duty Drill Bits for Stainless Steel and Hard Metal. | Drill BitsBosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit (2-Pack) | Drill BitsBOSCH TI9IM 9-Piece Assorted Set Titanium Nitride Coated Metal Drill Bits |
| Piece count | 21Bosch BL21A 21 Piece Black Oxide Metal Drill Bit Set | -BOSCH HBT363 3-5/8 in. Bi-Metal T-Slot Hole Saw | 1Bosch MC500 5 Piece MultiConstruction Drill Bit Set | 1BOSCH HBT225 2-1/4 in. Bi-Metal T-Slot Hole Saw | 1Bosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit | 18Bosch Professional 18pcs. HSS Twist Drill Bit PointTeQ (for Metal, in ToughBox, Ø 1-10 mm, Accessory Drill) | 1Bosch DDMS40 40-Piece Impact Tough Drill/Drive Custom Case Set | 17STROTON Cobalt Drill Bit Set (1/16"-1/2", 17PCS), M35 HSS Heavy Duty Drill Bits for Stainless Steel and Hard Metal. | 2Bosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit (2-Pack) | 1BOSCH TI9IM 9-Piece Assorted Set Titanium Nitride Coated Metal Drill Bits |
| Shank shape | 3-FlatBosch BL21A 21 Piece Black Oxide Metal Drill Bit Set | -BOSCH HBT363 3-5/8 in. Bi-Metal T-Slot Hole Saw | -Bosch MC500 5 Piece MultiConstruction Drill Bit Set | -BOSCH HBT225 2-1/4 in. Bi-Metal T-Slot Hole Saw | HexBosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit | CylindricalBosch Professional 18pcs. HSS Twist Drill Bit PointTeQ (for Metal, in ToughBox, Ø 1-10 mm, Accessory Drill) | -Bosch DDMS40 40-Piece Impact Tough Drill/Drive Custom Case Set | Round ShankSTROTON Cobalt Drill Bit Set (1/16"-1/2", 17PCS), M35 HSS Heavy Duty Drill Bits for Stainless Steel and Hard Metal. | HexBosch PTBX38 3/8" x 5" Porcelain Tile Drill Bit (2-Pack) | HexBOSCH TI9IM 9-Piece Assorted Set Titanium Nitride Coated Metal Drill Bits |
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Showing 1-1 of 1 review
May 17, 2023
Julio
5 out of 5 stars review
Verified Purchase
speed drill bit
they are great very strong they do the job easy
Helpful?1HO71F319MMH175659713
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