Twin-coned heavy-duty bolt with cylindrical expansion and visual installation check. For anchoring where high safety is required, e.g. tensile/alternating loads, installation of machinery, high rise racking or other steel constructions.

Suitable for drill-through and push-through installation in cracked and non-cracked concrete.

Available in M6, M8, M10, M12, M16 and M20 in zinc-plated and passivated steel and stainless steel.

Features:

• Twin cones make the expansion sleeve spread cylindrically
• Tensile and compressive load
• Visual check of domed washer:
  
  Uninstalled
  Installed
  
  The bolt can be used when washer is flat.
  (This is not a torque indicator).
  
• Special sizes and variable lengths
• Drill-through assembling
• Larger nut
• Anchoring base: cracked and uncracked concrete B15 to B55

Function and Effect:

Application of the installation torque causes the anchor's two opposing cones to be drawn into the expansion sleeve. This causes the sleeve to be pressed against the sidewalls of the hole over its entire length and results in optimum frictional resistance and high load capacity in cracked and non-cracked concrete.

Types:

Material:

• Grade 8.8 carbon steel, zinc plated and blue passivated
• A4-80 stainless steel (Type B), A4-70 stainless steel (Type S, SK)

Product Range:

B: M6 - M20, carbon steel, zinc plated and blue passivated / A4 stainless steel
S: M6 - M20, carbon steel, zinc plated and blue passivated / M6 - M12, A4 stainless steel
SK: M6 - M16, carbon steel, zinc plated and blue passivated / M6 - M12, A4 stainless steel

Advantages:

• Can be immediately loaded once torque has been applied.
• Thick walled expansion sleeves guarantee high expansion reserves and equalise drill hole tolerances.
• Better load carrying capacity due to extra-large nut / bolt head.
• Suitable for drill-through and drop-in installation.
• Special combinations - solve problems even in difficult cases.
• Over 1 million different combinations available.

Applications:

• Steel construction
• Cable trays
• Railing Machines
• Gates
• Facades
• Lifting systems
• Base plates

topTechnical Information

Load Range:

Tension:   N_perm = 2.4 – 48.9 [kN]

Shear:      V_perm = 5.2 – 80.6 [kN]

 

Installation:

Product List:

SAFETY BOLT B

SAFETY BOLT  S

SAFETY BOLT  SK

Permissible Loads - Safety Bolt B:

Permissible loads for single anchors with no influencing edge distances or spacings. Loads are calculated using partial safety factors from ETAG 001 and the characteristic anchor and installation data from this catalogue. Design calculations shall follow the requirements of ETA-06/0108.

Material:

Carbon steel: Grade 8.8, zinc plated and blue passivated

Stainless steel: A4-80 stainless steel

Permissible Tension Loads¹ - Carbon steel, zinc plated

Permissible Tension Loads¹ - A4 stainless steel

Permissible Shear Loads^1,2 - Carbon steel, zinc plated

Permissible Shear Loads^1,2 - A4 stainless steel

Permissible Bending Moments^1,4 - Carbon steel, zinc plated

Permissible Bending Moments^1,4 - A4 stainless steel

Spacings, edge distances and and member thicknesses - Carbon steel, zinc plated

Spacings, edge distances and and member thicknesses - A4 stainless steel

Installation Data - Carbon steel, zinc plated

Installation Data - A4 stainless steel

Installed Anchor

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1. The permissible loads have been calculated using the partial safety factors for resistances stated in the ETA-approval and a partial safety factor for actions of γ_F= 1.4. The permissible loads are valid for unreinforced concrete and reinforced concrete with a rebar spacing s ≥ 15 cm and reinforced concrete with a rebar spacing s ≥ 10 cm if the rebar is 10 mm or smaller.
2. The permissible shear loads are based on a single anchor without infl uencing concrete edges. For shear loads applied close to an edge (c ≤ 10 h_ef or 60 d) concrete edge failure must be checked per ETAG 001, Annex C, design method A.
3. Concrete is considered non-cracked when the value for tension within the concrete is σ_L + σ_R ≤ 0. In the absence of detailed verification σ_R = 3 N/mm2 can be assumed (σ_L equals the tensile stress within the concrete as a result of external loads, forces on anchor included).
4. The permissible bending moments are only valid for the threaded stud (e.g. in case of a distance mounting).
5. For spacings smaller than the characteristic values (i.e. s ≤ s_cr,N) a calculation per ETAG 001, Annex C, design method A shall be performed. For details, see ETA-06/0108.
6. The actual edge distance shall not be less than the value of c_min shown in the table.
7. Size M20 is not included in the approval.
   

Permissible Loads - Types S, SK:

Permissible loads for single anchors with no influencing edge distances or spacings. Loads are calculated using partial safety factors from ETAG 001 and the characteristic anchor and installation data from this catalogue. Design calculations shall follow the requirements of ETA-06/0108.

Material:

Carbon steel, Grade 8.8, zinc plated and blue passivated

Stainless steel: A4-70 stainless steel

Permissible Tension Loads¹ - Carbon steel, zinc plated

Permissible Tension Loads¹ - Stainless steel

Permissible Shear Loads^1,2 - Carbon steel, zinc plated

Permissible Shear Loads^1,2 - Stainless steel

Spacings, edge distances and and member thicknesses - Carbon steel, zinc plated

Spacings, edge distances and and member thicknesses - Stainless steel

Installation Data - Carbon steel, zinc plated

Installation Data - Stainless steel

Installed Anchor

---

1. The permissible loads have been calculated using the partial safety factors for resistances stated in the ETA-approval and a partial safety factor for actions of γ_F= 1.4. The permissible loads are valid for unreinforced concrete and reinforced concrete with a rebar spacing s ≥ 15 cm and reinforced concrete with a rebar spacing s ≥ 10 cm if the rebar is 10 mm or smaller.
2. The permissible shear loads are based on a single anchor without infl uencing concrete edges. For shear loads applied close to an edge (c ≤ 10 h_ef or 60 d) concrete edge failure must be checked per ETAG 001, Annex C, design method A.
3. Concrete is considered non-cracked when the tensile stress within the concrete is σ_L + σ_R ≤ 0. In the absence of detailed verification σ_R = 3 N/mm2 can be assumed (σ_L equals the tensile stress within the concrete as a result of external loads, forces on anchor included).
4. The permissible bending moments are only valid for the threaded stud (e.g. in case of a distance mounting).
5. For spacings smaller than the characteristic values (i.e. s ≤ s_cr,N) a calculation per ETAG 001, Annex C, design method A shall be performed. For details, see ETA-06/0108.
6. The actual edge distance shall not be less than the value of c_min shown in the table.
7. Size M20 is not included in the approval.
   

Countersunk Washer:

Size	D [mm]	d [mm]	k [mm]
M6	20	10	5.5
M8	24	12	6.5
M10	27	15	7
M12	33	19	8
M16	50	24	14