[Features]:
1. Comprehensive Kit: The step drill bit set includes five different sized step cone drill bits and a center punch, making it ideal for creating precise holes of various diameters in multiple materials.
2. Durable Nitride Coating: Equipped with a nitrogen coating, the multiple hole conical wood drill perforator offers enhanced durability and resistance to wear, ensuring long-lasting performance in demanding conditions.
3. Precision Drilling: Designed with straight grooves, the hole cutter tool allows for accurate and precise drilling, ensuring clean and professional finishes on every surface.
4. Robust Material: Made from high-speed steel, this metal drilling tool is robust and durable, capable of handling high-speed drilling operations without losing sharpness, suitable for both professional and DIY projects.
5. Versatile Applications: The step cone drill bit is perfect for cutting holes in a variety of materials, including iron, aluminum, wood, and plastic, offering versatility and efficiency for all your drilling needs.
[Specifications]:
Product name: step drillbit set
Material: High Speed Steel
Surface treatment: Nitride coating
Snank: universial round handle
Scope of application: suitable for the workpiece below the use of 25 ° below, such as iron, aluminum, PVC board, insulation board, wood, workpiece thickness 4mm.
Special note: Do not use for hard metal drilling.
Inch Size:
- 1/4" to 1-3/8": 10 Steps (1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
- 3/16" to 7/8": 12 Steps (3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16",7/8")
- 1/4" to 3/4": 9 Steps (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
- 1/8" to 1/2": 13 Steps (1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2")
- 3/16" to 1/2": 6 Steps (3/16”, 1/4”, 5/16", 3/8", 7/16", 1/2").
Metric Size:
- 6 - 35mm: 13 Steps (6-8-10-13-16-19-21-23-26-29-31-33-35mm)
- 4 - 22mm: 10 Steps (4-6-8-10-12-14-16-18-20-22mm)
- 6 - 18mm: 7 Steps (6-8-10-12-14--16-18mm)
- 4 - 12mm: 9 Steps (4-5-6-7-8-9-10-11-12mm)
- 4 - 12mm: 5 Steps (4-6-8-10-12mm)
Package: protective padded aluminum case.
