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DIN338 Standard size spiral flute step drill bit for multi-purpose drilling

Short Description:

DIN338 spiral flute Hss Step Drill Bit, we have different material, HSSM35, M2, 4241.These bits are made from high-speed steel or carbide, which ensures durability and long working life. Size:4-32mm ,we accepted customize size ,logo and package and so on
Straight flute and spiral flute, bright finish, Tin coated, amber finish. Hex shank and three flat shank. They are commonly used for drilling hole for Stainless steel, iron, steel, aluminum, wood, sheet iron & aluminum, plastic etc.


Product Detail

Product Tags

Product Features

1. High Speed: The spiral flute step drill bit is made of high-speed steel, which enables it to drill holes in various materials quickly and efficiently.
2. Versatile: The drill bit features a spiral step design that allows it to drill through tough materials like metal, wood, and plastic with ease. And As the bit drills into the metal, it gradually drilling a larger and larger hole until it reaches the desired size.
3. Self-centering: The self-centering design of the drill bit ensures precise drilling and prevents any deviation from the intended drilling path.
4. Durability: The use of high-speed steel material resists wear and tear, and the drill bit has a long service life.
5. Improved chip removal: The spiral staircase design effectively removes chips from the drilling process, reducing clogging and making the drilling process more efficient.
6. Reduced heat buildup: The design of the drill bit reduces the heat generated during the drilling process, preventing damage to the hole and the drill bit itself.
7. Easy to use: The drill bit can be used in a variety of handheld and stationary tools, making it a versatile and essential tool in any toolbox.

Product Parameters

Product Name Spiral flute step drill bits
Material HSS 4241/6542/M35
Shank Round /Three flats/Quick change Hex/Double R shank
Size 4-12mm 4-20mm 4-32mm 3/16”-1/2”, 1/8”-1/2”, 1/4"-3/4”
Number or steps 5steps ,9steps .15steps
Surface Finish Tin-coated/Bright
Payment Terms T/T, L/C
split point: 118°and 135° tip both available
Suitable Stainless steel, plain carbon steel,aluminium and plastics,Iron plate.

Application Machine

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Lithium Electric Drill

Electric Hand Drill

Bench Drill

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Drill Press

Machining Center

Milling Machine

Shipping and Packing

Shipping: Express delivery, air shipping, sea shipping are available for your request. Usual delivery time is 5-10days after receiving the advance payment; For the customized product, 15-30 days after receiving the advance payment.

Packing: We also supply single pvc bag,paper bag,colored plastic square box,transparent plastic box,skin card,sandwich and so on packages with size, logo,brand and other information.

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