Instruction Video:

Installation instructions Lightweight concrete screw

Lightweight concrete screw countersunk (external)

  • Function: Type-approved countersunk screw, No. SC0621-09, with specially designed thread that is screwed directly into the lightweight concrete and lightweight tiles without pre-drilling.
  • Track type bit: TX 30 and 40.
  • Material: Case hardened steel.
  • Coating: Zincotech Au, corrosivity class C4, for outdoor use.
  • Installation instructions: Screw in the screw without pre-drilling the lightweight concrete/lightweight tiles, screw with a low torque to avoid over-tightening the screw. In the event of any uncertainty surrounding the quality of lightweight concrete/lightweight tiles, test tightening should be performed.
Unit Guide
D Diameter
D1 Outer diameter
G Thread length
H Head diameter
L Length
M Thickness
MB Mother box
Drill cap. mm Drill capacity mm
Max comp. thick. app. mm Max component thickness application mm
Min. drill depth mm Minimum drill depth mm
Screw dim. mm Screw dimension mm
Surface treat. Surface treatment
D L G Bits/Socket Max comp. thick. app. mm Art.no E-number Quantity Pack. MB
* 8 70 65 30 B75870 850 Bulk pack
* 8 70 65 30 75870 1533169 50 Packaging 16
* 8 70 65 30 SB75870 6 Pack 10
* 8 90 65 30 20 B75890 1000 Bulk pack
* 8 90 65 30 20 75890 50 Packaging 12
* 8 90 65 30 20 SB75890 5 Pack 10
8 120 75 30 50 B758120 600 Bulk pack
8 120 75 30 50 758120 1533168 50 Packaging 8
8 120 75 30 50 SB758120 4 Pack 10
8 140 75 30 70 B758140 500 Bulk pack
8 140 75 30 70 758140 50 Packaging 8
8 140 75 30 70 SB758140 4 Pack 10
8 160 75 30 90 B758160 400 Bulk pack
8 160 75 30 90 758160 50 Packaging 12
8 160 75 30 90 SB758160 3 Pack 10
10 140 95 40 50 B7510140 500 Bulk pack
10 140 95 40 50 7510140 50 Packaging 8
10 140 95 40 50 SB7510140 3 Pack 10
10 180 95 40 90 B7510180 350 Bulk pack
10 180 95 40 90 7510180 50 Packaging 12
10 180 95 40 90 SB7510180 2 Pack 10
*Type approval SC0621-09 does not apply to this dimension. NOTE: Packs are only sold in multiples of ten.
  • Information material

    You can order the information material you are interested in here. It will be delivered by post within a few days.