HSL4-G Heavy-duty wedge anchor

Hilti Fastener: HSL4-G Heavy-duty wedge anchor

Product Name:HSL4-G Heavy-duty wedge anchor
Anchor size: M8-M24
Anchor length: 107mm-275mm
Material, corrosion: Carbon steel, zinc-plated
Head configuration: Externally threaded
Approvals / test reports:ETA, Fatigue, Fire, ICC-ES report (concrete), LABC, Nuclear (NQA-1), Seismic
Base materials:Concrete (cracked), Concrete (uncracked)
PROFIS software:Yes

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1. Product Overview – HSL4-G Heavy-duty wedge anchor
HSL4-G Heavy-duty wedge anchor drives nuclear-grade strength into cracked or solid concrete with one torque-tight action.

Force-controlled expansion delivers follow-up expansion under load

M8–M24 zinc-plated carbon steel spans 107–275 mm

ETA seismic C1 & C2 plus fatigue, fire, ICC-ES, LABC, NQA-1 approvals

PROFIS software optimises every layout in seconds

2. HSL4-G Heavy-duty wedge anchor Technical Parameters

Parameter	Specification	Notes
Anchor size	M8 / M10 / M12 / M16 / M20 / M24	M24 \| Metric thread
Length range	107–275 mm	Overall length
Material	Carbon steel, zinc-plated ≥ 5 µm	C3 corrosion class
Base concrete	C20/25–C50/60	Cracked & uncracked
Service temp	–40 °C to +80 °C	Short-term max +80 °C

3. HSL4-G Heavy-duty wedge anchor Performance Data

Size	Embedment	TTension NRk*	Shear Vrec*
M8	60 mm	29.3 kN	41.8 kN
M12	90 mm	67.4 kN	89.6 kN
M16	120 mm	100 kN	204.5 kN
M24	180 mm	100 kN	204.5 kN

*Characteristic values, cracked concrete, no edge influence

20 % higher shear than previous wedge generation

Fatigue-tested 2 million cycles at 0.7 NRk

Fire resistance R120 maintains 60 % capacity

4. HSL4-G Heavy-duty wedge anchor Installation Guide

Step	Action	Tools/Requirements
1	Mark hole	Marker, template
2	Hammer drill	SDS-MAX, correct bit
3	Clean hole	Brush & blow twice
4	Insert anchor	Hand or setting tool
5	Tighten torque	Torque wrench
6	Load immediately	Ready for use

5. HSL4-G Heavy-duty wedge anchor Application Scenarios

Application	Recommended Spec	Conditions
Nuclear pump base	M24 × 275 mm	Seismic C2, NQA-1
Steel column shoe	M16 × 155 mm	Cracked C30/37
Medical CT frame	M12 × 110 mm	Vibration & fatigue
Crane rail clip	M20 × 200 mm	Outdoor C3, fire R120

6. HSL4-G Heavy-duty wedge anchor Certifications & Compliance

ETA-21/0740 – cracked & uncracked concrete C20/25–C50/60

ETA seismic – C1 & C2 per EN 1992-4, tested at 0.5 g PGA

Fire – R120 (ISO 834), maintains ≥ 60 % NRk

ICC-ES ESR-3952 – concrete anchorage US code compliance

LABC & Nuclear NQA-1 – quality assurance for safety-related structures

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