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STEP DRILLS, TUBE AND SHEET DRILLS

STEP DRILLS, TUBE AND SHEET DRILLS
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STEP DRILLS, TUBE AND SHEET DRILLS

Product catalog summary
Overview: This technical catalog from Karnasch Professional Tools details their range of step drills and tube and sheet drills, highlighting specifications, applications, and benefits, with a focus on coatings and materials for enhanced performance and durability.
Specifications:
  • Drills available in diameters from 4-60 mm, with options for 2 or 3 cutting edges and spiral or straight fluted designs.
  • Products are CBN ground and feature BLUE-DUR or TiN-GOLD coatings for increased service life.
  • Constructed from high-alloy HSS-XE steel, offering hardness up to 68 HRC for high wear resistance.
  • Tools are available in both metric and inch diameters, with ongoing conversion to inch markings.
Applications:
  • Suitable for materials such as steel, stainless steel, aluminum, copper, brass, tin, plastics, and exotic materials like Hastelloy and Inconel.
  • Recommended for drilling operations without coolants, especially in difficult materials like stainless steel.
Key Features:
  • 3-flat shank design ensures excellent torque transmission and prevents slippage in the drill chuck.
  • Spiral-fluted drills provide smooth cutting behavior, reduce cutting forces, and minimize burr formation.
  • Coatings significantly enhance tool life, particularly in dry machining conditions.
Recommendations:
  • BLUE-DUR and TiN-GOLD coatings are recommended for challenging materials and dry drilling conditions.
  • Spiral-fluted designs are ideal for thicker sheets, while straight fluted designs are best for handheld machines and thin sheets.
Properties:
The tools feature CBN ground and spiral flutes for smooth operation and high cutting performance, ensuring efficient chip removal similar to a twist drill.
Cutting Data:
Cutting data is provided for different materials, indicating the tools' suitability for various machining tasks.
Additional Information:
For further details, users are encouraged to contact the company via phone or email.
See more

Catalog excerpts

STEP DRILLS, TUBE AND SHEET DRILLS-1

STUFENBOHRER · BLECHSCHÄLBOHRER STEP DRILLS · TUBE AND SHEET DRILLS 2 KARNASCH ONLINESHOP KARNASCH PROFESSIONAL TOOLS ® INDUSTRIAL TOOLS DIVISION JETZT FÜR SIE ONLINE! NOW ONLINE FOR YOU! Straße des Friedens 10 D-15848 Tauche/OT Görsdorf [email protected]

 Open the catalog to page 1
STEP DRILLS, TUBE AND SHEET DRILLS-2

HARTMETALL-BESTÜCKTE KREISSÄGEBLÄTTER STUFENBOHRER & BLECHSCHÄLBOHRER CARBIDE TIPPED CIRCULAR SAWSDRILLS STEP DRILLS & TUBE AND SHEET STUFENBOHRER & BLECHSCHÄLBOHRER STEP DRILLS & TUBE AND SHEET DRILLS 4 Eines der umfangreichsten Lagerprogramme an Stufenbohrern & Blechschälbohrern. •  Erhältlich in den Durchmessern von 4-60 mm •  In 2 und 3 Schneiden •  Spiral genutet oder gerade genutet • CBN-geschliffen •  BLUE-DUR oder TiN-GOLD-beschichtet One of the most comprehensive stock range of step drills & tube and sheet drills. •  Available in diameters ranging from 4-60 mm •  In 2 and 3-cutting • ...

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STEP DRILLS, TUBE AND SHEET DRILLS-3

STUFENBOHRER & BLECHSCHÄLBOHRER STEP DRILLS & TUBE AND SHEET DRILLS EIGENSCHAFTEN ∙ PROPERTIES 1 -Flächenschaft ergibt: 3 – Hervorragende Drehmomentübertragung – Kein Durchrutschen im Bohrfutter – Somit deutlich höhere Schnittleistung 2 lle Stufenbohrer & Blechschälbohrer erhältlich in der patentierA ten BLUE-DUR-Beschichtung oder in TiN-GOLD-Beschichtung. Beschichtungen erhöhen signifikant die Standzeiten. Unbedingt empfehlenswert bei schwierigen Materialien wie Edelstähle und bei Bohrungen ohne Kühlschmierstoffe. 2 ll step drills & sheets drills are available in the patented A BLUE-DUR or TiN-GOLD-coating....

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STEP DRILLS, TUBE AND SHEET DRILLS-4

HARTMETALL-BESTÜCKTE KREISSÄGEBLÄTTER STUFENBOHRER CARBIDE TIPPED CIRCULAR SAWS STEP DRILLS STUFENBOHRER · STEP DRILLS 2 SCHNEIDEN 2 CUTTING SPIRAL-GENUTET MIT KREUZANSCHLIFF SPIRAL-FLUTED WITH SPLIT POINT SPIRAL-GENUTET MIT KREUZANSCHLIFF SPIRAL-FLUTED WITH SPLIT POINT 2 SCHNEIDEN GERADE GENUTET MIT KREUZANSCHLIFF 2 CUTTING STRAIGHT FLUTED WITH SPLIT POINT Fortsetzung 2 Schneiden  40-50 mm / 50-60 mm siehe nächste Seite Continuation 2 cutting  40-50 mm / 50-60 mm see next page INDUSTRIAL TOOLS DIVISION Weitere Informationen erhalten Sie telefonisch unter +49 33675-7265-0 oder schreiben Sie eine...

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STEP DRILLS, TUBE AND SHEET DRILLS-5

STUFENBOHRER & BLECHSCHÄLBOHRER STEP DRILLS & TUBE AND SHEET DRILLS BLECHSCHÄLBOHRER · TUBE AND SHEET DRILLS 2 SCHNEIDEN GERADE GENUTET MIT KREUZANSCHLIFF 2 CUTTING STRAIGHT FLUTED WITH SPLIT POINT 2 SCHNEIDEN SPIRAL-GENUTET MIT KREUZANSCHLIFF 2 CUTTING SPIRAL-FLUTED WITH SPLIT POINT 2 SCHNEIDEN GERADE GENUTET MIT KREUZANSCHLIFF 2 CUTTING STRAIGHT FLUTED

 Open the catalog to page 5
STEP DRILLS, TUBE AND SHEET DRILLS-6

HARTMETALL-BESTÜCKTE KREISSÄGEBLÄTTER STUFENBOHRER CBN GESCHLIFFEN · 2 SCHNEIDEN CARBIDE TIPPED CIRCULAR SAWS· 2 CUTTING STEP DRILLS CBN GROUND Maximale Schnitttiefe Maximum cutting depth 4 Maximale Schnitttiefe Maximum cutting depth SPIRAL-GENUTET MIT KREUZANSCHLIFF SPIRAL-FLUTED WITH SPLIT POINT Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Grey cast iron *Stufe 32 dient zum Entgraten der Stufe 30 *Step 32 is for deburring of step 30 Maximale Schnitttiefe Maximum cutting depth Kupfer, Messing, Zinn Kunststoffe...

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STEP DRILLS, TUBE AND SHEET DRILLS-7

STUFENBOHRER CBN GESCHLIFFEN · 3 SCHNEIDEN STEP DRILLS CBN GROUND · 3 CUTTING Maximale Schnitttiefe Maximum cutting depth 4 SPIRAL-GENUTET MIT KREUZANSCHLIFF SPIRAL-FLUTED WITH SPLIT POINT Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Grey cast iron Kupfer, Messing, Zinn Kunststoffe GFK/CFK Plastics GRP/CRP Grey cast iron Kupfer, Messing, Zinn Kunststoffe GFK/CFK Plastics GRP/CRP HSS-XE Stahl + TiN-GOLD-beschichtet HSS-XE...

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STEP DRILLS, TUBE AND SHEET DRILLS-8

HARTMETALL-BESTÜCKTE KREISSÄGEBLÄTTER STUFENBOHRER CBN GESCHLIFFEN · 2 SCHNEIDEN CARBIDE TIPPED CIRCULAR SAWS 2 CUTTING STEP DRILLS CBN GROUND · GERADE GENUTET MIT KREUZANSCHLIFF STRAIGHT FLUTED WITH SPLIT POINT Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Maximale Schnitttiefe Maximum cutting depth Grey cast iron Kupfer, Messing, Zinn Kunststoffe GFK/CFK Plastics GRP/CRP Kupfer, Messing, Zinn Kunststoffe GFK/CFK Plastics GRP/CRP Gerade Nut ist die beste Wahl bei Verwendung von Handbohrmaschinen. Ideal auch für dünne Bleche. Maximal empfohlener Durchmesser...

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STEP DRILLS, TUBE AND SHEET DRILLS-9

STUFENBOHRER CBN GESCHLIFFEN ■ 2 SCHNEIDEN SPIRAL-GENUTET MIT KREUZANSCHLIFF STEP DRILLS CBN GROUND ■ 2 CUTTING SPIRAL-FLUTED WITH SPLIT POINT ANWENDUNG • APPLICATION HSS-XE Stahl Gefertigt aus hochlegierten Spezialstahl "XE" fur wesentlich hohere Standzeiten gegenuber HSS-Stahle. Die tiefgeschliffene spiralformige Spannut bietet hohe Laufruhe und Schnittleistung. Die Spane werden wie bei einem Spiralbohrer sauber abtransportiert. Ideal fur dickere Bleche ab 2 mm. HSS-XE steel Made of high-alloyed special steel „XE" for considerably longer service life than HSS-Steel. The CBN ground and spiral...

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STEP DRILLS, TUBE AND SHEET DRILLS-10

Stufenbohrer mit Spirale für Kabelverschraubungen Step drills with spiral for cable connections Zum Bohren in Kabelabzweigkästen, Installationsdosen, Verteilergehäusen, Hausanschlusskästen, Klemmkästen, Schaltschränke, usw. Wichtig: Das seit Jahrzehnten bekannte Pg-System (Pg 7 – Pg 48) wird auf das internationale metrische System umgestellt (M 12 – M 63). Important: The PG system (Pg 7 – Pg 48) known for decades is converted to the international metric system (M 12 – M 63). Karnasch XE-Stahl Stufenbohrer mit Spirale und BLUE-DUR-Beschichtung decken das gesamte Spektrum der Gehäuseöffnungen nach...

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STEP DRILLS, TUBE AND SHEET DRILLS-11

STUFENBOHRER CBN GESCHLIFFEN · 2 SCHNEIDEN STEP DRILLS CBN GROUND · 2 CUTTING SPIRAL-GENUTET MIT KREUZANSCHLIFF SPIRAL-FLUTED WITH SPLIT POINT Stufenbohrer mit Spirale für Kabelverschraubungen · Step drills with spiral for cable connections 20 1451 201451 7,0 Gewinde Kernloch Stufenhöhe Thread core hole step height Durchgangslöcher Stufenhöhe Through borings step height Grey cast iron Gewinde Kernloch Stufenhöhe Thread core hole step height Durchgangslöcher Stufenhöhe Through borings step height Kupfer, Messing, Zinn Kunststoffe GFK/CFK Plastics GRP/CRP Grey cast iron Kupfer, Messing, Zinn Copper,...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.