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🔧 Tougher, smarter, longer-lasting – the only bits your impact driver will ever need!
Bosch ITP2R21B Impact Tough 1 in. Phillips/Square #2 Insert Bits are precision-engineered, heat-treated metal bits designed for impact drivers. Featuring a torsion zone to absorb high torque and laser-etched high-visibility sleeves, these bits deliver 10x the lifespan of standard bits while minimizing cam-out for a secure screw fit. Ideal for professionals demanding durability and reliability in demanding environments.























| Asin | B07MH8K6M4 |
| Best Sellers Rank | 574,506 in DIY & Tools (See Top 100 in DIY & Tools) 262 in Socket Screwdriver Bits |
| Bit Compatibilities | Impact drivers (Phillips, Square, #2 size) |
| Brand | Bosch |
| Country Of Origin | Vietnam |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,022) 4.5 out of 5 stars |
| Drive Bit Shank Style | Insert |
| Drive System | Phillips, Square |
| Finish | Painted |
| Global Trade Identification Number | 00000346483109 |
| Included Components | (10) Impact Tough™ 1 In. Phillips®/Square #2 Insert Bits |
| Item Length | 3.99 Inches |
| Item Type Name | Impact Tough 1 In. Phillips/Square #2 Insert Bits |
| Item Weight | 0.08 Pounds |
| Manufacturer | Bosch |
| Material | Metal |
| Model Number | ITP2R21B |
| Number Of Items | 10 |
| Number Of Pieces | 10 |
| Part Number | ITP2R21B |
| Unit Count | 1.0 count |
| Upc | 000346483109 |
User
Great Bit
These BOSCH Phillips/Square #2 bits are excellent quality. The fit is tight and precise, which helps prevent cam-out and stripped screws, especially when doing repetitive work. I’ve used them on electrical installs and general construction tasks, and they hold up much longer than cheaper bits.The durability is impressive for 1-inch bits — even after heavy use, the tips stay sharp and don’t wear down quickly. They also lock securely into the impact driver with no wobble.Overall, a great value for the price and definitely a brand I trust for daily use. Would absolutely buy again.
User
Perfeito
Por enquanto usei somente com parafuso Philips, e foi muito bem.
User
Útil y eficiente
Lo justo y necesario para poder realizar mi trabajo. Precio y entrega de calidad
User
Ótimo
Muito bom encaixe muito bem nos parafusos Philips ph2 melhor que a tradicional ph2 o encaixe nesse modelo é melhor ainda, até no parafusos dos disjuntor encaixa muito bem e nesse outro modelo que uso bastante o encaixe é perfeito
User
Pretty good screw bits
Really good with braking torques on screws
Trustpilot
1 week ago
1 month ago