Parameters
Advanced head styles · Pro — see plans
Specialty drives · Pro — see plans
Long threaded taper with a cutting edge — fast start in thin sheet and wood without a separate drill section.
Type
Hex Bolt
Designation
ST5.5 × 1.8 – 120
Head
Hex · Ø11 × 4.5 mm
Drive
Hex Socket · 8 mm key
Recess depth
2.79 mm · auto · gauge limits t 2.25–3.38 mm · ISO 4762
Thread
40.00/120 mm · P1.8 · ST sheet-metal (ISO 1478) · plain shoulder 80.0 mm
Major Ø (as built)
5.30 mm
Point
Fast Point (JF) · 9.35 mm
Head seal
Bonded Sealing Washer · EPDM Rubber · Ø19 × 2 mm
Flange washer
A14 Aluminium · Ø19 × 1 mm
Service class
C3 · Outdoor urban · coating under-rated — use dip-spin ceramic coating
Est. install torque
≈ 3.9 N·m (indicative — verify by test)
Est. pull-out
≈ 3.6 kN from 2 mm steel sheet (indicative)
Manufacturing mode
FDM 3D print · +0.2 mm thread offset
Notes
ETA-16/0444 · 330047-01-0602 · SW-8 · Sandwich panel to steel ≤ 12 mm.
Export & Download
manufacturing simCNC mode, .STEP export & PDF datasheets are Pro features — see plans