Description
Dormer A777 1.00mm cobalt jobber drill bit, with 135° split point, ideal for aerospace and high-tensile materials.
SKU: DOR100COBBrand: Dormer
The Dormer A777 Metric Cobalt Jobber Drill Bitis engineered for heavy-duty applications, featuring a robust 135° split point design ideal for drilling into high-tensile and tougher materials. Its construction makes it particularly suitable for demanding industries such as aerospace, where increased heat generation during drilling is common.
Features
- ul]:my-0″>Flute Geometry:Standard helix with a right-hand spiral and thick web for enhanced durability
- ul]:my-0″>Point Angle:Features a precise 135° 4-facet point (for 1.00mm to 1.40mm sizes), conforming to NAS 907 Aerospace Specification type P3 Point
- ul]:my-0″>Material:High-speed cobalt (HSCo) steel for superior strength and heat resistance
- ul]:my-0″>Surface Treatment:Bronze finish for improved performance
- ul]:my-0″>Standards Compliance:Conforms to DIN 338 RN, BS328, and ISO 235 specifications
Dimensions
- ul]:my-0″>Tip Diameter:1.00mm
- ul]:my-0″>Working Length:12mm
- ul]:my-0″>Overall Length:34mm
Designed for professionals, this drill bit ensures precision and longevity even under strenuous conditions.
Buy more, save more1 unit £10.08 -13% 2+ units£10.08£8.72 -17% 3+ units£10.08£8.37 -18% 4+ units£10.08£8.30 -19% 5+ units£10.08£8.17 -21% 6+ units£10.08£7.97 -30% 48+ units£10.08£7.072 moreoffersJobber Drill BitApplications






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