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Product Specifications:
| Item | Step Drill Bit |
| Cutting Direction | Right Hand |
| Decimal Equivalent | 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 |
| Finish | Bright, Uncoated |
| Length | 78 mm |
| Material | High Speed Steel |
| Max. Drilling Depth | 20 mm |
| Maximum Hole Size | 30 mm |
| Minimum Hole Size | 20 mm |
| Number Of Hole Sizes | 11 |
| Primary Material Application | Steel |
| Shank Dia. | 10 mm |
| Shank Type | Straight With Three Flats |
| Size Range | 20 mm to 30 mm |
| Spiral Direction | Right Hand |
| Sub-brand | Ruko |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.22 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Material | Number Of Hole Sizes | Decimal Equivalent | Shank Dia. | Max. Drilling Depth | Finish | Maximum Hole Size | Minimum Hole Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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101004T | High Speed Steel | 2 | 0.9, 1.5 | 10 mm | 15/16" | Tin | 1 9/16" | 15/16" | €168.17 | |
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101363 | High Speed Steel | 11 | 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 | 10 mm | 30 mm | Bright, Uncoated | 40 mm | 30 mm | €228.75 | |
![]() |
101361 | High Speed Steel | 9 | 12, 13, 14, 15, 16, 17, 18, 19, 20 | 8 mm | 12 mm | Bright, Uncoated | 20 mm | 12 mm | €127.42 | |
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101361T | High Speed Steel | 9 | 12, 13, 14, 15, 16, 17, 18, 19, 20 | 8 mm | 12 mm | Tin | 20 mm | 12 mm | €140.55 | |
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101003 | High Speed Steel | 2 | 0.6, 1.1 | 9 mm | 5/8" | Bright, Uncoated | 1.188" | 5/8" | €62.23 | |
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101008F | High Speed Steel | 2 | 0.2, 1.2 | 9 mm | 3/16" | TiAlN | 1 7/32" | 13/64" | €301.45 | |
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101005T | High Speed Steel | 2 | 1.8, 2 | 12 mm | 1 13/16" | Bright, Uncoated | 2" | 1 13/16" | €224.04 |
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Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
RUKO 101362 Core Drill, 11 Hole Sizes, 20 mm To 30 mm, Bright Finish, High Speed Steel
€170.27 /unit






