UK product shortlist and buying guide. This comparison looks at cone & stepped drill bits using exact retailer catalogue records. It is not a hands-on test, a customer-rating league table or a claim that every model is interchangeable. We may earn a commission when you follow sponsored retailer links and make a qualifying purchase. See our Editorial Policy for how affiliate relationships are disclosed.
How we chose the products and what we can verify
Our selection criteria were the applicable certification, fit, inspection instructions and intended hazard. The starting point was the Tooled Up merchant catalogue exported on 18 October 2026. We began with the retailer’s Cone & Stepped Drill Bits category, then checked names and model identifiers to form a shortlist; this merchant category is not an independent product test. We matched exact offer IDs, stated product names, GTINs and brands rather than borrowing star ratings or guessing specifications. The current retailer card beneath each product is checked against the approved, available UK offer when the page is displayed. Snapshot amounts are historical observations, not a checkout quote. Manufacturers’ complete technical sheets, independent laboratory tests, delivery charges and warranty exclusions have not been independently confirmed from this export.
What matters for cone & stepped drill bits
For safety equipment, manufacturer certificates and the workplace risk assessment take priority over catalogue titles. Replacement parts must not be treated as complete protective equipment.
Named protective features identify what to investigate; there is no evidence of verified protective performance in this feed, so do not treat the ordering as a safety recommendation. In this particular shortlist, check certification, intended hazard, fit, replacement compatibility and official instructions. A product with a long list of advertised features is not automatically preferable: match those features to what you need and budget for any additional accessories or installation requirements.
How the listed models differ
The following records are identifiable by their retailer titles and GTINs, not by unverified claims about speed, lifetime or quality. Each potential strength below is a reason to investigate an advertised specification; each limitation notes a decision point still requiring manufacturer or retailer confirmation. Where model names share a brand or product family, inspect the variant and pack contents instead of assuming a new product.
Guhring No 9502 StepPower HSCO Multi Stepped Premium Drill 6mm Pack of 1
Listed details. GUHRING; catalogue GTIN 4049844506091; title-supplied clues: 6mm, Pack of 1. The 18 October 2026 feed snapshot recorded £10.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 6mm, Pack of 1, which can be checked against your task, required dimensions or existing equipment; The advertised pack quantity helps you compare the cost of the amount you actually need. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 6mm, Pack of 1; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Guhring No 9502 StepPower HSCO Multi Stepped Premium Drill 6mm Pack of 1

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £10.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Halls XS High Speed Steel Step Drill 8mm – 20mm
Listed details. Halls; catalogue GTIN 5033210151045; title-supplied clues: 8mm, 20mm. The 18 October 2026 feed snapshot recorded £51.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 8mm, 20mm, which can be checked against your task, required dimensions or existing equipment; The model identity and brand can be cross-checked with the maker before ordering, rather than guessing from a photograph. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 8mm, 20mm; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Halls XS High Speed Steel Step Drill 8mm - 20mm

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £51.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Bosch HSS-TiN Step Drill Bit 6mm – 30mm
Listed details. Bosch Professional; catalogue GTIN 3165140630245; title-supplied clues: 6mm, 30mm, HSS. The 18 October 2026 feed snapshot recorded £107.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 6mm, 30mm, which can be checked against your task, required dimensions or existing equipment; The model identity and brand can be cross-checked with the maker before ordering, rather than guessing from a photograph. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 6mm, 30mm, HSS; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Bosch HSS-TiN Step Drill Bit 6mm - 30mm

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £107.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Guhring No 9502 StepPower HSCO Multi Stepped Premium Drill 3.3mm Pack of 1
Listed details. GUHRING; catalogue GTIN 4049844506206; title-supplied clues: 3.3mm, Pack of 1. The 18 October 2026 feed snapshot recorded £5.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 3.3mm, Pack of 1, which can be checked against your task, required dimensions or existing equipment; The advertised pack quantity helps you compare the cost of the amount you actually need. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 3.3mm, Pack of 1; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Guhring No 9502 StepPower HSCO Multi Stepped Premium Drill 3.3mm Pack of 1

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £5.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Halls XS High Speed Steel Step Drill 5mm – 13mm
Listed details. Halls; catalogue GTIN 5033210151021; title-supplied clues: 5mm, 13mm. The 18 October 2026 feed snapshot recorded £35.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 5mm, 13mm, which can be checked against your task, required dimensions or existing equipment; The model identity and brand can be cross-checked with the maker before ordering, rather than guessing from a photograph. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 5mm, 13mm; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Halls XS High Speed Steel Step Drill 5mm - 13mm

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £35.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Bosch HSS-AlTiN Step Drill Bit 4mm – 12mm
Listed details. Bosch Professional; catalogue GTIN 3165140666442; title-supplied clues: 4mm, 12mm, HSS. The 18 October 2026 feed snapshot recorded £41.95. This figure is historical and may now differ.
Potential advantage. The title explicitly provides 4mm, 12mm, which can be checked against your task, required dimensions or existing equipment; The model identity and brand can be cross-checked with the maker before ordering, rather than guessing from a photograph. Limitation and trade-off. Unconfirmed points include certification, intended hazard, fit, replacement compatibility and official instructions; the merchant title alone cannot establish durability or performance.
Compared with other models: this listing discloses 4mm, 12mm, HSS; other offers in this category need checking against the same criteria before any meaningful performance or price judgment.
Bosch HSS-AlTiN Step Drill Bit 4mm - 12mm

Ad / affiliate disclosure: This product is featured using retailer-supplied specifications. We may earn a commission from qualifying purchases through the sponsored links below. We have not physically tested it.
- Tooled Up — £41.95 · Listed delivery £5.95 · Feed 1 Nov 2026 Ad · Check price →
Value and suitability: a decision framework
The original candidate price snapshots span £5.95 to £107.95 across the originally selected 6 entries retained here. This spread is an observation from a historical feed, not a measure of performance or today’s price; differences in pack size, power system, purpose and included accessories may make the amounts non-comparable. Begin with the model whose published requirements match your actual task. Next, use the live product cards to check the current offer, shipping, returns and any promotion restrictions. Finally, compare the full package, not merely the lowest number. What seems good value for an occasional task may be the wrong choice where dimensions, compatibility or replacement parts are critical.
Brand spread: the shortlist includes Bosch Professional, GUHRING, Halls. Brand variety does not by itself demonstrate better coverage or a winner; every model still needs an individual compatibility and specification check.
Evidence, limitations and sources
Primary source: Tooled Up product data provided through an Awin UK merchant feed, snapshot of 18 October 2026. Each card links to the associated retailer product offer where it remains approved and in stock. We rely on exact names and GTINs to identify the records, and on the latest approved feed for displayed offers. These merchant statements are not independent manufacturer-datasheet verification and do not prove real-world performance. No hands-on or laboratory testing is claimed. There is no independently verified UK search-volume figure for this topic.
Important limitations: the catalogue may omit specifications, accessories, safety certification, delivery conditions and current stock. The selected models are examples to investigate, not a complete UK market survey. A similar product title may conceal a revised generation or kit; confirm the GTIN and full model code on the retailer page. For regulated or safety-critical equipment, use manufacturer documentation and applicable professional guidance rather than this introductory shortlist as the basis for safety decisions.
Final buying check: note the intended use, verify the exact model and all important dimensions, check the seller’s current final price and returns terms, and compare the installed or ready-to-use total cost. If the critical specifications cannot be corroborated, defer the purchase until you have that information.