Variants
steel, galvanic zinc plated
Article
D
Diameter (mm)
Ø
thread diameter
G
Weight per storage unit
- STB 9/18
Anchor SAZ-B 12Diameter (mm)9 mmthread diameter18 mmWeight per storage unit0.120 kg
STB
Step drill bit
The STB step drill bit with a flat cutting edge is suitable for drills D = 18 mm and is made of galvanised steel. It is used to pre-drill twist lock holes for floor duct covers.
Details
Tender texts
Downloads
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BK Floor Duct - Technical Information
Technical Information
Floor ducts - Assembly instructions
Assembly instructions for BK, BKHR, BKHRSV, BKHC, BKHZ, KHZ, BKV, BKB, BKB45, BKBR, BKBG, BKVB, BKA, BKK, BKAA, BKGR, BKGL, BKMT, BKVAA, BKTE, BKS, BKRT, BKRTV, BKDS, BKDU, ARB, BKD, BKDR, BKD-S, BKDHK, BKDSL, BKPA
Price list 2026 Building extension
Valid from February 1st, 2026
Price list 2026 Building extension (Excel)
Valid from February 1, 2026
ZIP
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BIM for BK floor ducts
BIM data
ZIP (5.50 MB)
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