
AYSCD177HSS-CO Standard Drill 177已售出0個HSS-CO Standard Drill 177, a cobalt HSS straight shank drill combining heat and wear resistance, performing steadily from mild steel through stainless steel. Diameter 1.5~13.5mm, overall length 40~160mm, 8~13xD, available in 117 sizes. Drills carbon steel, alloy steel, stainless steel, cast iron plus aluminum, copper and other non-ferrous metals up to HRC30. French brand, consistent quality.
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Product Overview: HSS Standard Drill – 177 Series
【Product Features & Why We Recommend It】
- French Brand Professional Quality: Originating from a professional French cutting tool brand with rigorous quality control — recommended for users with standard demands on general-purpose drilling stability and tool consistency.
- HSS-CO Cobalt Performance Enhancement: Manufactured with cobalt high-speed steel (HSS-CO), delivering superior red hardness and wear resistance compared to standard HSS drills — recommended for general-purpose drilling applications requiring longer tool life than standard HSS or operating under more demanding cutting conditions.
- Broad Material Versatility: Covers five major material categories — carbon steel, alloy steel, stainless steel, cast iron, and non-ferrous metals — recommended as the standard stock drill for cross-material general-purpose drilling, addressing multiple workpiece material requirements with a single series.
- 8–13D Standard Depth Coverage: Depth-to-diameter ratio spanning 8–13D — recommended for flexible selection based on workpiece thickness and drilling depth, suitable for standard depth through-hole and blind hole drilling needs across various workpieces.
- 117 Specification Wide Coverage: Available in diameter 1.5–13.5mm, flute length 18–108mm, and overall length 40–160mm across 117 specifications — recommended as the general-purpose stock drill for factories and machining centers to meet most daily drilling size requirements.
【Machining Applications & Uses】
- Primary Use: General-purpose drilling, through-hole machining, pre-drilling operations, and standard drilling across multiple materials.
- Recommended Work Materials:
- P-Class (Carbon Steel / Alloy Steel): Structural steel, carbon steel, and alloy steel — recommended for hardness below HRC30, where the HSS-CO substrate provides superior drilling tool life compared to standard HSS.
- M-Class (Stainless Steel): SUS304, SUS316, and other high-toughness stainless steel — the cobalt content of HSS-CO effectively suppresses cutting heat accumulation, with appropriate cutting fluid recommended to maintain drilling stability.
- K-Class (Cast Iron): Cast iron and gray iron — the HSS-CO substrate provides stable wear-resistant drilling tool life.
- N-Class (Non-Ferrous Metals): Aluminum alloys, pure copper, brass, and other non-ferrous metals — use of appropriate cutting fluid is recommended to ensure smooth chip evacuation and prevent built-up edge formation during drilling.


