Avbolt®
Structural Blind Fastener
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Avbolt®
The Avbolt structural fastener is a high strength, tamper
resistant, blind steel fastener designed for use in heavy-
duty structural applications such as automotive, con-
struction, container, railway and mining.
It expands the range of POP Avdel structural bolts by
offering high tensile and shear strength (normally only
possible with non blind lockbolts) with the versatility of
single sided installation; ideal for areas with restricted
access.
The Avbolt fastener is simple to use, with fast, positive
single sided installation, requiring minimal operator
skill. The locking feature creates a vibration resistant
joint and prevents loosening stems. Ease of inspection
for correct installation and excellent tamper resistance
are further advantages.
Key features and benefi ts
• Use on blind sided application
• High tensile and shear strength for heavy-duty
applications
• Wide grip capability suits a variety of material
thicknesses
• Locking feature creates a vibration resistant joint and
prevents loose stems
• Ideal for areas with restricted access
• Fast installation
• High security tamper resistance
• Simple tooling requires minimal operator skill
Typical placing sequence (3 piece design) Removal
Avbolt fasteners are de-
signed to create a perma-
nent fi xing. This provides
security benefi ts and
enables the fastener to be
TIR approved. If removal
is needed, the fasteners
can be removed using an
angle grinder and punch.
For details see removal
procedure on our website. 1. Insert the Avbolt fastener in the hole and insert the stem into the nose piece of the placing tool.
2. First operation pulls the pin-tail to form the bulb. The sleeve is band annealed (soft zone) to ensure the bulb forms in exactly the right place. Once the bulb has formed, the clamp up force is applied to the joint pulling the work pieces together. The collar material is then swaged into the pin lock grooves, trapping the clamp up load and forming a tamper proof lock.
3. At a pre-determined load, the pin breaker groove fractures; the pintail is detached and the joint is complete.
1. 3.2.
Avbolt 10 mm, 12.7 mm and 16 mm (3/8", 1/2", 5/8"): 3 piece design (sleeve, collar, stem)
Avbolt 4.8, 6.4 and 8.0 mm (3/16", 1/4", 5/16"):2 piece design (sleeve with collar, stem)
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Assembly applications
• Automotive
• Construction
• Container
• Renewable energies
• Railway
• Mining
• Security fencing
Stem Alloy steel, black oxide
Sleeve Carbon steel, zinc plated and clear passivated
(Chrome-VI free) to achieve 240 hours
resistance to red corrosion (ASTM B117)
Collar Carbon steel, zinc plated and clear passivated
(Chrome-VI free) to achieve 240 hours
resistance to red corrosion (ASTM B117)
Special plating options may be available on request.
Range
Material and finish
Avbolt fastener in max. and min. grip, front side of the work piece
Avbolt fastener in max. and min. grip, rear side of the work piece
Placing performance
Structural Blind Fastener for Heavy Duty Applications
When an Avbolt fastener is placed in maximum recom-
mended grip, the stem breaks flush to the collar. When
placed in minimum grip, the stem breaks above collar
and the bulb is spread more providing a larger foot
print.
The flange on the collar (21001 series) prevents the
anvil from contacting and damaging the work surface.
Performance data
• 4.8 mm (3/16") with 11 different lengths to cover
thickness from 2.36 mm to 19.89 mm
• 6.4 mm (1/4") with 11 different lengths to cover
thickness from 2.36 mm to 19.89 mm
• 8 mm (5/16") with 7 different lengths to cover
thickness from 4.78 mm to 26.97 mm
• 10 mm (3/8") with 10 different lengths to cover
thickness from 4.78 mm to 33.35 mm
• 12.7 mm (1/2") with 11 different lengths to cover
thickness from 6.38 mm to 41.30 mm
• 16 mm (5/8") with 5 different lengths to cover
thickness from 6.35 mm to 38.10 mm
10 mm (3/8") Avbolt fastener range
ø
nom. kN min. kN min.
4.8 (3/16") 12.40 8.00
6.4 (1/4") 22.69 14.46
8.0 (5/16") 36.47 23.57
10.0 (3/8") 45.00 32.25
12.7 (1/2") 90.00 57.00
16.0 (5/8") 129.00 91.19
Strength values apply only where the joint thickness exceeds 150% of the joint hole diameter.
Installation tools
We offer a range of
tooling for fast and secure
installation of Avbolt
fasteners. Please visit our
website or contact your
local representative for
more information.
© 2013 Stanley Black & Decker, Inc., Rev. 02b.2013
www.StanleyEngineeredFastening.com
Avdel Patent Protected. Avdel® and Avbolt® are trademarks of Avdel UK Limited. POP® is a trademark of Newfrey LLC.Data shown is subject to change without prior notice as a result of continuous product development and improvement policy. Your local STANLEY Engineered Fastening representative is at your disposal should you need to confirm latest information.
Avbolt® Technical Data
2 piece design, 21021 Series
øMax.
under-head
length
Part No/ref
nom. min. max.
4.8(3/16")
5.28 - 5.64
2.36 3.99 12.41 21021-00602 3.99 5.59 14.01 21021-00603 5.59 7.16 15.59 21021-00604 7.16 8.76 17.19 21021-00605 8.76 10.34 18.76 21021-0060610.34 11.94 20.36 21021-0060711.94 13.51 21.94 21021-0060813.51 15.11 23.54 21021-0060915.11 16.69 25.11 21021-0061016.69 18.29 26.71 21021-0061118.29 19.89 28.29 21021-00612
6.4 (1/4")
7.04 - 7.42
2.36 3.99 16.51 21021-00802 3.99 5.59 18.11 21021-00803 5.59 7.16 19.69 21021-00804 7.16 8.76 21.29 21021-00805 8.76 10.34 22.86 21021-0080610.34 11.94 24.46 21021-0080711.94 13.51 26.04 21021-0080813.51 15.11 27.64 21021-0080915.11 16.69 29.21 21021-0081016.69 18.29 30.81 21021-0081118.29 19.89 32.39 21021-00812
8.0 (5/16")
8.84 - 9.35
4.78 7.95 23.31 21021-01004 7.95 11.13 26.49 21021-0100611.13 14.30 29.66 21021-0100814.30 17.48 32.84 21021-0101017.48 20.65 36.01 21021-0101220.65 23.83 39.19 21021-0101423.83 26.97 42.36 21021-01016
3 piece design, 21001 Series
øMax.
under-head
length
Part No/ref
nom. min. max.
10.0(3/8")
10.49 - 11.05
4.78 7.95 25.10 21001-01204 7.95 11.13 28.27 21001-01206 9.54 12.72 30.02 21001-0120711.13 14.30 31.45 21001-0120814.30 17.48 34.62 21001-0121017.48 20.65 37.80 21001-0121220.65 23.83 40.97 21001-0121423.83 27.00 44.15 21001-0121627.00 30.18 47.32 21001-0121830.18 33.35 50.50 21001-01220
12.7(1/2")
13.87 - 14.76
6.38 9.55 31.82 21001-01604 9.55 12.73 35.00 21001-0160612.73 15.90 38.18 21001-0160815.90 19.08 41.36 21001-0161019.08 22.25 44.53 21001-0161222.25 25.43 47.70 21001-0161425.43 28.60 50.87 21001-0161628.60 31.78 54.02 21001-0161831.78 34.95 57.16 21001-0162034.95 38.13 60.27 21001-0162238.13 41.30 63.35 21001-01624
16.0(5/8")
17.45 - 18.49
6.35 12.70 39.35 21001-0200412.70 19.05 45.70 21001-0200819.05 25.40 52.05 21001-0201225.40 31.75 58.40 21001-0201631.75 38.10 64.75 21001-02020
all dimensions in mm
73200 Model Hydro-pneumatic tool for Avbolt ø 4.8 to 8.0 mm
7287 Model Hydro-pneum. split tool with lightweight placing head for Avbolt ø 4.8 to 8.0 mm
734 AV Series Installation equipment for Avbolt ø 8.0 to 16.0 mm
Avdel UK LimitedStanley House, Works Road
Letchworth Garden City, Hertfordshire SG6 1JYTel. +44 (0)1582 900-000 · Fax -001