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Global Leading Diamond Tool Manufacturer.

Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 1
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 2
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 3
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 4
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 5
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 6
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 7
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 1
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 2
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 3
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 4
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 5
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 6
Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits 7

Johnson Tools Black color 4-32mm Conical Cone HSS Spiral Groove Hex Shank Hyper Step Drill Bits

Specification:

Size: 

5Steps:4-12mm

9Steps:4-20mm

15Steps:4-32mm

Material: High-Speed Steel 4241

Type: Spiral Groove Slot

Connection: 1/4 Hex Shank

100% brand new and high quality.

Made from HSS-Co, with heat treatment to it, high hardness, high wear resistance, high toughness, high bending strength, and sharp edge, the best choice for processing stainless steel, better than an ordinary step drill.

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    PRODUCT ADVANTAGES

    Our customer service team is a dedicated, hard-working group specially selected for their enthusiasm and commitment to providing excellent customer service. They offer advice, answer any queries.

    黑钻 (8) (2)
    Strong Durability:
    Coated with titanium, the bits have strong durability. This step drill set performs well in heat, corrosion, and rust resistance.
    未标题-3
    Premium HSS Material:
    High-speed steel construction for longer cutting-edge life even at extreme temperatures.
    未标题-2
    Automatic Center Punch:
    Delivers an automatic, high-impact, spring-loaded strike when pressed against a surface, adjustable cap regulates the striking force.
    未标题-4
    Wide Usages:
    Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal.

    PRODUCT parameter

    黑钻 (9)1

    product usage

    71z6VsyWi+L (2)


    Automatically deburring holes as you drill.

    High-speed steel, durable.

    Titanium coated to reduce friction and run cooler

    Scop: thin iron plate, aluminum, insulation boards, PVC panels 4 mm thickness inside the wood.

    Widely used to cut holes in a variety of materials such as steel, wood, thin iron, aluminum alloy, insulation boards, PVC film, etc.

    PACKAGING

    Quality Assurance Precision Customization)


    We provide OEM/ODM services. Our team will assist you in creating custom stickers and designs based on your specific needs. Additionally, we offer a variety of packaging options to choose from, ensuring your products are not only functional but also visually appealing.

    4241材质3pcs三角柄直槽 (11)1
    03钻头D12宝塔钻D12T06 CO (14)1

    Noteworthy Features:

    Our customers have consistently praised the excellence of our products. We are confident that you too will experience the same level of satisfaction. Should you require any customization, please do not hesitate to contact us. As the leading manufacturer of diamond tools, we are committed to providing you with the best solution possible.

    RELATED PRODUCTS

    Recommend more related products for you, you can choose the right product for supporting purchases

    Johnson Tools 1/4" Hex Shank Metal Cone Drilling HSS Step Drill High Speed Steel Cone Hex Shank Metal Drill Tool Hole Cutter For Stainless Steel
    Johnson Tools 6pcs Titanium Set HSS 4241 Straight Thread Hex Shank Step Drill Bit For Wood Metal
    Johnson Tools 3Pcs Titanium Coated HSS Ste Drill Bit Set For Drilling Metal
    Johnson Tools HSS 4241 Triangle Shank 5 Pieces In One Set Step Drill Bit For Wood Metal

    Get In Touch With Us

    PRODUCT ADVANTAGES

    Our customer service team is a dedicated, hard-working group specially selected for their enthusiasm and commitment to providing excellent customer service. They offer advice, answer any queries.

    黑钻 (8) (2)
    Strong Durability:
    Coated with titanium, the bits have strong durability. This step drill set performs well in heat, corrosion, and rust resistance.
    未标题-3
    Premium HSS Material:
    High-speed steel construction for longer cutting-edge life even at extreme temperatures.
    未标题-2
    Automatic Center Punch:
    Delivers an automatic, high-impact, spring-loaded strike when pressed against a surface, adjustable cap regulates the striking force.
    未标题-4
    Wide Usages:
    Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, stainless steel, and many other types of sheet metal.

    PRODUCT parameter

    黑钻 (9)1

    product usage

    71z6VsyWi+L (2)


    Automatically deburring holes as you drill.

    High-speed steel, durable.

    Titanium coated to reduce friction and run cooler

    Scop: thin iron plate, aluminum, insulation boards, PVC panels 4 mm thickness inside the wood.

    Widely used to cut holes in a variety of materials such as steel, wood, thin iron, aluminum alloy, insulation boards, PVC film, etc.

    PACKAGING

    Quality Assurance Precision Customization)


    We provide OEM/ODM services. Our team will assist you in creating custom stickers and designs based on your specific needs. Additionally, we offer a variety of packaging options to choose from, ensuring your products are not only functional but also visually appealing.

    4241材质3pcs三角柄直槽 (11)1
    03钻头D12宝塔钻D12T06 CO (14)1

    Noteworthy Features:

    Our customers have consistently praised the excellence of our products. We are confident that you too will experience the same level of satisfaction. Should you require any customization, please do not hesitate to contact us. As the leading manufacturer of diamond tools, we are committed to providing you with the best solution possible.

    RELATED PRODUCTS

    Recommend more related products for you, you can choose the right product for supporting purchases

    Johnson Tools 1/4" Hex Shank Metal Cone Drilling HSS Step Drill High Speed Steel Cone Hex Shank Metal Drill Tool Hole Cutter For Stainless Steel
    Johnson Tools 6pcs Titanium Set HSS 4241 Straight Thread Hex Shank Step Drill Bit For Wood Metal
    Johnson Tools 3Pcs Titanium Coated HSS Ste Drill Bit Set For Drilling Metal
    Johnson Tools HSS 4241 Triangle Shank 5 Pieces In One Set Step Drill Bit For Wood Metal
    Get in touch with us
    just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs
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    Produces and exports diamond tools for the stone processing and construction industries to countries around the world.
    Contact Us
    Telephone: +86-18936085316
    Whatsapp:+86-18936085316
    QQ:  1017811927
    Skype:Sinodiatools1
    Factory Address
    Tuqiao Industrial Park, Jiangning District, Nanjing, Jiangsu, China
    Sales dept. Address
    No.11009, Building 8, K-Land Manhattan Square, No.5 Weihua Road, SIP, Suzhou, Jiangsu, China 21500 
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