Tungsten Steel Drill Bit Set

 The Stedi Tungsten Steel Drill Bit Set delivers superior strength, precision, and durability for professional and DIY use. Crafted from premium tungsten steel, these drill bits offer excellent hardness, heat resistance, and wear performance—ideal for drilling metal, wood, plastic, and other tough materials. A reliable choice for workshops, construction, and precision tool applications.

MS-155 – Precision Punch Drill Bit Set

The MS-155 Tungsten Steel Drill Bit Set with Punch is designed for ultra-fine, high-precision work. Manufactured from high-quality tungsten steel, this variant delivers excellent hardness, sharpness, and control for detailed drilling tasks.

The included micro-diameter punch sizes make it ideal for model making, Gunpla customization, electronics, and other precision applications where accuracy is critical.

Punch / Drill Bit Diameters:
0.3 mm, 0.4 mm, 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm, 1.0 mm, 1.1 mm, 1.2 mm

Recommended for:
Gunpla & scale models, hobby crafting, plastic and resin parts, thin metals, and fine detail work.

MS-156 – Multi-Purpose Punch Drill Bit Set

The MS-156 Tungsten Steel Drill Bit Set with Punch is designed for precision drilling with added strength, making it ideal for both hobby and workshop use. Crafted from durable tungsten steel, this variant offers excellent hardness, sharp cutting edges, and stable performance across repeated use.

With a medium-range punch diameter selection, MS-156 bridges fine detail work and general drilling, making it highly versatile for models, plastics, resins, and thin metals.

Punch / Drill Bit Diameters:
1.1 mm, 1.2 mm, 1.3 mm, 1.4 mm, 1.6 mm, 1.7 mm, 1.8 mm, 1.9 mm

Recommended for:
Gunpla and scale model customization, hobby crafts, plastic and resin parts, aluminum, and light metal work.

MS-158 – Heavy-Duty Punch Drill Bit Set

The MS-158 Tungsten Steel Drill Bit Set with Punch is built for strength, stability, and demanding applications. Made from high-quality tungsten steel, this variant delivers superior hardness, excellent edge retention, and consistent drilling performance, even under higher load conditions.

Featuring larger punch diameters, the MS-158 is ideal for thicker materials and structural work while maintaining precision and durability.

Punch / Drill Bit Specifications:
1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm, 3.0 mm

Recommended for:
Thick plastic, resin parts, aluminum, light steel, machinery work, and heavy-duty hobby or workshop applications.