# 在50英镑以下，哪套麻花钻头组合性价比最高？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

Which drill bit set offers the best value for money under £50?

## 产品列表

### Bosch M42 Cobalt 14-Piece Metal Drill Bit Set
```yaml
product: bosch-m42-cobalt-14-piece-metal-drill-bit-set
brand: Bosch
price_gbp: 43.26
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
material: Cobalt M42 (8% cobalt)
bit_count: 14
set_inclusion: 1/16 in, 5/64 in, 3/32 in, 7/64 in, 1/8 in (x2), 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in, 5/16 in, 3/8 in, 1/2 in
max_drill_size: 1/2 in
```

- **价格:** £43.26 [^1]
- **概述:** Bosch M42 cobalt jobber-length bits are made from enhanced M42 alloy with 8% cobalt for high heat resistance and long life when drilling hard metals. The set includes split-point tips and three-flat shanks on larger sizes for better grip, supplied in a plastic case for storage. It's aimed at professionals or DIYers working with stainless steel, cast iron and other tough metals.
- **最适合:** 在 £50 以下性价比最佳，适合需要耐用钴合金钻头用于钻削硬金属的人；该套装包含 14 支 M42 钴合金钻头，最大至 1/2 in，配有分点和三平面柄。
- **附加来源:** [^2], [^3], [^1], [^2], [^3]

### DeWalt DT7926 Titanium 21-Piece Metal Drill Bit Set
```yaml
product: dewalt-dt7926-titanium-21-piece-metal-drill-bit-set
brand: DeWalt
price_gbp: 129.66
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
material: HSS-G
bit_count: 29
set_inclusion: HSS metal drill bits sizes 1 mm to 13 mm
max_drill_size: 13 mm
```

- **价格:** £129.66 [^4]
- **概述:** High-performance 29-piece HSS-G metal drill bit set with Extreme-2 design for faster drilling and greater durability; includes metric sizes 1 mm-13 mm in a tough case and features no-spin shanks and recessed cutting wings for cleaner holes. Suits both professional and DIY metalworking where durability and precision are needed. 
- **最适合:** 最佳性价比（50英镑以下）：在价值方面表现最佳，提供宽泛的 1 mm-13 mm 范围，采用高性能 HSS-G 钻头和 Extreme-2 设计，实现更快钻孔和更高耐用性。
- **附加来源:** [^5], [^6], [^4], [^5], [^6]

### Milwaukee Cobalt 25-Piece Jobber Drill Bit Set
```yaml
product: milwaukee-cobalt-25-piece-jobber-drill-bit-set
brand: Milwaukee
price_gbp: 122.93
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
material: Cobalt
bit_count: 25
set_inclusion: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 6.8mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm
max_drill_size: 13mm
```

- **价格:** £122.93 [^7]
- **概述:** Milwaukee RED HELIX 25-piece metric cobalt jobber set uses RED HELIX technology with a QUAD EDGE tip and variable helix for rapid chip removal and improved durability. The set includes metric sizes from 1mm up to 13mm in a customizable PACKOUT-compatible case, suited for drilling hard metals like stainless steel and cast iron. It offers features to reduce walking and heat for longer life.
- **最适合:** 性价比最佳（50 英镑以下），适合需要宽泛公制尺寸范围且要求钴合金耐用性的金属加工用户（25 件，最大至 13mm）。
- **附加来源:** [^8], [^9], [^7], [^8], [^9]

### Ryobi 300-Piece Drill and Drive Kit RAK300DDF
```yaml
product: ryobi-300-piece-drill-and-drive-kit-rak300ddf
brand: Ryobi
price_gbp: 26.82
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
material: Black oxide; Titanium-coated
bit_count: 300
set_inclusion: Magnetic bit holder; Hex key; Countersink; Center punch; Hole saws; Brad-point bits; Spade bits; Masonry bits; Driver bits; Nut drivers; Carry case
```

- **价格:** £26.82 [^10]
- **概述:** A 300-piece multi-material drill and drive kit with a hard folding carry case and a wide selection of bits and accessories coated in black oxide and titanium for durability. Includes drill bits for wood, metal, plastic and masonry plus driver bits, hole saws and assorted accessories, suited for general DIY and light professional tasks.
- **最适合:** 在£50以下性价比最佳，因其提供300件包含木材、金属、塑料和石材用钻头并配有涂层钻头和多种配件--在低价位提供广泛通用性。
- **附加来源:** [^11], [^12], [^10], [^11], [^12]

---
## 参考来源
[^1]: McCoy's Building Supply, 访问日期 2026-06-16. https://www.mccoys.com/shop/p/7573538-052303-32/bosch-co14b-twist-drill-bit-set-14-piece-cobalt
[^2]: Beaver Industrial Supply (Beavertools), 访问日期 2026-06-16. https://beavertools.com/products/co14b-bosch-14-piece-cobalt-m42-drill-bit-set
[^3]: Interline Wholesale Hardware, 访问日期 2026-06-16. https://interlinehardware.ca/products/co14b-bosch-14-pc-cobalt-m42-drill-bit-set
[^4]: Total Tools (Australia), 访问日期 2026-06-16. https://www.totaltools.com.au/58529-dewalt-29pce-hss-metric-drill-set-dt7926-xj
[^5]: RS Online / RS Components, 访问日期 2026-06-16. https://my.rs-online.com/web/p/drill-bit-sets/6783045
[^6]: Newark, 访问日期 2026-06-16. https://www.newark.com/dewalt/dt7926-xj/drill-bit-set-extreme-2-1-13mm/dp/81Y9096
[^7]: Milwaukee Tool (product page), 访问日期 2026-06-16. https://www.milwaukeetool.com/products/details/25pc-red-helix-cobalt-metric-drill-bit-set/48-89-2531
[^8]: Home Depot, 访问日期 2026-06-16. https://www.homedepot.com/p/Milwaukee-Cobalt-Red-Helix-Drill-Bit-Set-for-Drill-Drivers-29-Piece-48-89-2332/301332138
[^9]: Milwaukee Australia (product page), 访问日期 2026-06-16. https://www.milwaukeetool.com.au/accessories/drilling/red-helix-cobalt-drill-bits/48892531.html
[^10]: Direct Tools Factory Outlet, 访问日期 2026-06-16. https://www.directtoolsoutlet.com/products/a983002
[^11]: Super Arbor, 访问日期 2026-06-16. https://superarbor.io/products/ryobi-300-piece-multi-material-drill-and-drive-kit-with-case-a983002
[^12]: RYOBI Tools Canada, 访问日期 2026-06-16. https://ryobitools.ca/products/33287179305