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RUKO 2010525 Pack of 10 DIN 338 type N HSS helical drills laminated (Ø 5,25mm)|Tool Parts| - AliExpress
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RUKO 206160 HSS Rolled Twist Drill, DIN 338 Type N, 16.0 mm Diameter, 178 mm Length: Amazon.com: Tools & Home Improvement
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RUKO 200250 DIN 338 type N HSS twist drill bit laminated with reduced handle (Ø 25mm)|Tool Parts| - AliExpress
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Ruko ULTIMATECUT Spiralbohrer-Satz DIN 338 Typ FLOWSTEP Spitze, HSS-G in ABS-Kunststoffkassette - 25 tlg. | Contorion.de
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