[DETAIL] Feature: brocas escalonadas, brocas escalonadas para metal, керно по металлу, brocas escalonada, конусные сверла, broca escalonada, broca escalonada para metal, сверла ступенчатае, broca conica, 스텝드릴비트, набор ступенчатых сверл 32mm, 스텝드릴 Large bit has 3 sided shank. Automatically deburr holes as you drill High speed steel,durable. Specification : Color : Black Material : High Speed Steel(HSS) Surface : Nitrogen treatment (increasing the hardness and abrasion resistance) Shank:Triangle round handle Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. [ATTRIBUTES] - Hign-concerned Chemical: None - Brand Name: atooltour - Origin: Mainland China - Hign-concerned Chemical: None - Brand Name: atooltour - Origin: Mainland China - is_customized: Yes - Certification: None - Model Number: Metal Drilling step - DIY Supplies: Metalworking - Material: High Speed Steel - Type: Core Drill Bit - Use: Metal Drilling - Length: Mainland China - Step Drill Bit Nitride: Stepped Drill Bit - Step Drill Bit: Step Drill Bit Set - Conical Drill Bit: Step Drill Bit 12mm 20mm 32mm - Core Drill Bit: Hole Cutter Drilling Bit - Step Drill Bit For Wood Metal: Step Drill Bit Set 4-12mm/4-20mm/4-32mm - Step Drill Bit Set Metric: Step Drill Bit Steel - Step Drill Bit For Stainless Steel: Step Drill Bit 32