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RUKO Step Drill Bit HSS-Co 5% 7/8 inch - 1 1/8 inch (22.2 - 28.6 mm) 3-Flat Shank

RUKO Step Drill Bit HSS-Co 5% 7/8 inch - 1 1/8 inch (22.2 - 28.6 mm) 3-Flat Shank
RUKO Step Drill Bit HSS-Co 5% 7/8 inch - 1 1/8 inch (22.2 - 28.6 mm) 3-Flat Shank
R4,575
Step drill bit made from HSS-Co 5% high-speed steel with 5% cobalt for drilling, deburring, and chamfering in steel, stainless steel, non-ferrous metals, plastics, and sheet metal up to 4 mm thick. The 130° split point provides precise centering and reduces walking.AdvantagesThree cutting steps (7/8... Read More
Stock 80 Code 3557225 Brand RUKO GMBH Model 1000037696 Warranty 2 Years

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Estimated delivery Friday, October 9
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Step drill bit made from HSS-Co 5% high-speed steel with 5% cobalt for drilling, deburring, and chamfering in steel, stainless steel, non-ferrous metals, plastics, and sheet metal up to 4 mm thick. The 130° split point provides precise centering and reduces walking.

Advantages

Three cutting steps (7/8", 1", 1 1/8") allow multiple hole diameters without tool changes. The 3-flat shank prevents slipping in the drill chuck. Cobalt alloying increases heat resistance and tool life.

Suitable for

  • Steel
  • Stainless steel
  • Non-ferrous metals
  • Plastics
  • Sheet metal

Key specifications

  • Drill bit type: Step drill bit
  • Material: HSS-Co 5%
  • Diameter range: 7/8" - 1 1/8" (22.2 - 28.6 mm)
  • Number of steps: 3
  • Step diameters: 7/8" (22.2 mm), 1" (25.4 mm), 1 1/8" (28.6 mm)
  • Shank type: 3-Flat shank
  • Shank diameter: 10 mm
  • Total length: 95 mm
  • Step length: 50 mm
  • Point angle: 130° split point
  • Coating: Uncoated (bright finish)
  • Cutting direction: Right-hand cutting
  • Standard: DIN 1412 C

Recommendations

Use with cutting oil on stainless steel and reduce speed for larger steps. The split point allows drilling without center punching on thin materials.

Specifications
Brand
RUKO GMBH
Category
Step Drill Bit
EAN
4007140312082
Length
95 mm
Material
HSS-Co 5%
Model
1000037696
MPN
1000037696
Packing quantity
1
Producer product name
STB-HSSCo-Ø7/8-1-1/8-Zoll
Product type
Step Drill Bit
Size
7/8" - 1 1/8" (22.2 - 28.6 mm)
Weight
0.18 kg
Price history over the last 6 months
RUKO Step Drill Bit HSS-Co 5% 7/8 inch - 1 1/8 inch (22.2 - 28.6 mm) 3-Flat Shank
Current
R4,575
Lowest
R4,573
Highest
R4,579
Change 24H
+R3   +0%
Week
—   
Month
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