Ingco 10.0mm HSS-Co M35 Twist Drill Bit | Cobalt High-Speed Steel Jobber Drill for Stainless Steel and Hard Metals (DBT01131001)

Ingco 10.0mm HSS-Co M35 Twist Drill Bit | Cobalt High-Speed Steel Jobber Drill for Stainless Steel and Hard Metals (DBT01131001)
The Ingco DBT01131001 twist drill bit is an industrial-grade metalworking cutter engineered to penetrate high-tensile alloys and stubborn metals that standard high-speed steel bits fail to score. Featuring a precise 10.0mm diameter profile, this jobber-length bit is optimized for production-line drilling, structural steel fabrication, and demanding engineering or automotive repair applications where heat management is critical.
The bit is manufactured from premium M35 grade High-Speed Steel infused with 5% Cobalt alloy (HSS-Co). This cobalt enrichment significantly raises the tool's red-hardness—the ability of the cutting edges to maintain structural integrity and sharpness at elevated operating temperatures up to 600°C. To ensure fast penetration with minimal surface wandering, the bit features a 135-degree split-point tip layout, eliminating the need for a center punch on smooth surfaces. Precision-ground dual flutes facilitate rapid chip evacuation, minimizing thermal friction and preventing the bit from binding in deep-bore applications. Equipped with a standard straight shank, it integrates seamlessly into stable bench drill presses and heavy-duty hand drills.
Technical Specifications
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Brand: INGCO
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Model Number: DBT01131001
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Product Type: HSS-Co M35 Cobalt Twist Drill Bit
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Diameter (Metric): 10.0mm
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Flute Length: 87mm
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Overall Bit Length: 133mm
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Material Composition: M35 High-Speed Steel with 5% Cobalt Alloy (HSS-Co)
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Tip Angle Geometry: 135-Degree Self-Centering Split Point
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Shank Design: Cylindrical Straight Shank (Matches bit diameter)
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Manufacturing Process: Fully Ground from Solid Stock
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Primary Target Substrates: Stainless steel sheets (grades 304, 316), high-tensile carbon steel, cast iron, titanium alloys, hard bronze, and welded seams
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Primary Applications: Drilling out seized automotive exhaust studs, sheet metal panel fabrication, structural steel framing, marine hardware installations, and industrial machine tool maintenance
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Packaging Type: Packed by protective plastic pouch or blister layout
Original: $280.00
-65%$280.00
$98.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Ingco DBT01131001 twist drill bit is an industrial-grade metalworking cutter engineered to penetrate high-tensile alloys and stubborn metals that standard high-speed steel bits fail to score. Featuring a precise 10.0mm diameter profile, this jobber-length bit is optimized for production-line drilling, structural steel fabrication, and demanding engineering or automotive repair applications where heat management is critical.
The bit is manufactured from premium M35 grade High-Speed Steel infused with 5% Cobalt alloy (HSS-Co). This cobalt enrichment significantly raises the tool's red-hardness—the ability of the cutting edges to maintain structural integrity and sharpness at elevated operating temperatures up to 600°C. To ensure fast penetration with minimal surface wandering, the bit features a 135-degree split-point tip layout, eliminating the need for a center punch on smooth surfaces. Precision-ground dual flutes facilitate rapid chip evacuation, minimizing thermal friction and preventing the bit from binding in deep-bore applications. Equipped with a standard straight shank, it integrates seamlessly into stable bench drill presses and heavy-duty hand drills.
Technical Specifications
-
Brand: INGCO
-
Model Number: DBT01131001
-
Product Type: HSS-Co M35 Cobalt Twist Drill Bit
-
Diameter (Metric): 10.0mm
-
Flute Length: 87mm
-
Overall Bit Length: 133mm
-
Material Composition: M35 High-Speed Steel with 5% Cobalt Alloy (HSS-Co)
-
Tip Angle Geometry: 135-Degree Self-Centering Split Point
-
Shank Design: Cylindrical Straight Shank (Matches bit diameter)
-
Manufacturing Process: Fully Ground from Solid Stock
-
Primary Target Substrates: Stainless steel sheets (grades 304, 316), high-tensile carbon steel, cast iron, titanium alloys, hard bronze, and welded seams
-
Primary Applications: Drilling out seized automotive exhaust studs, sheet metal panel fabrication, structural steel framing, marine hardware installations, and industrial machine tool maintenance
-
Packaging Type: Packed by protective plastic pouch or blister layout





















