Bolt Extenders – Specification
|Internal thread diameter (d)*||Pitch of thread||External diameter, shank diameter (D)||Nominal length, ref. (m)||Minimum tensile strength**|
Bolt extenders are manufacturer from Grade 8.8 Carbon Steel blank bolts.
Other grades and type of steel may be considered.
*) Internal thread to suite self-colour bolts, studs or square-square bolts (sqsq bolts). For thick finish (like galvanising) internal thread is tapped oversize to suite.
**) minimum tensile strength based on a minimum of six full threads screwed into an internal thread on both sides of the bolt extender
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