Blind Bolt Specifications

In this example grip is 04 since range of 04 maxibolt is 219 to 282.

Blind bolt specifications.

The tw or thin wall bolt was developed to address the need for a blind fixing to be used into lightweight steel sheet or cladding material. Order icc approved blind fasteners. W 5 32 nominal diameter cherry maxibolt blind bolt 219 min. The huck unimatic blind bolts are pull type high strength blind fasteners consisting of a hollow sleeve a spindle or pin and a lock collar.

Grip with blue anodize on sleeve. Protruding head correct blind bolt grip is a 02 since grip range of 02 maxibolt is 094 to 154. The thin wall bolt has a strong shear capacity. No reduction in diameter to allow for the slot is required.

In addition the fasteners are available with an optional drive washer. Superior structural strength nexgen2 m20 bolt astm 490m high tensile steel coil spring shear sleeve astm a519 grade 4140 magni coated complete assembly available lengths. In bearing the resistance of a blind bolt should satisfy the requirements of aisc specification 360 10 clause j3 10 expressions j3 6a or j3 6b as required using the nominal diameter d of the bolt. After installation a neat low profile head is left with no stud.

Blind flange dimensions class 150 to class 2500 outer diameter of body bolt circle bolt hole diameter straightness and alignment of the bolt hole thickness of the blind. This extended grip capacity of 025 under minimum grip to 025 over maximum grip for a total of 100 with no composite damage and joint performance still in excess of guaranteed minimums makes the composi lok iia one of the most tolerant blind fasteners for composites on the market. Machine countersunk read correct blind bolt grip to the top of the sheet. Grip is sheet thickness plus blind bolt head height.

95mm 135mm 175mm 250mm made in u s a. In combined tension and shear blind bolts should satisfy the following expressions. The first blind fastener to achieve icc testing and approval the esr 3217 approval document has been published on the icc web site.