A spanner head with a square drive rather than a handle, so it runs from a torque wrench or extension. That is how a fastener a socket cannot reach is torqued.
The one matching the torque wrench, at 3/8 inch or 1/2 inch. A torque figure applied through an adaptor between drives is no longer reliable.
Less than the range. A crows foot set with a gap sends the job back to an open spanner and loses the torque figure entirely, which was the reason for using one.
10, 14 and 15 pieces across metric and E-profile, with the range each covers stated alongside the count rather than instead of it.
Heads engaging splined fasteners that no hexagon spanner will turn. They are bought when the fastener appears, since nothing else will engage it.
Yes, on a ratchet or bar. The torque wrench is the reason most workshops buy them, but the head works on any handle of the matching drive.
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A crows foot spanner is a spanner head with a square drive rather than a handle, which lets it be run from a torque wrench or an extension. That is the only way to torque a fastener a socket cannot reach, such as a union or a nut in a recess. It is also the only way to reach a fastener with a fitting or a pipe running past it.
Drive size fixes what it runs on, at 3/8 inch and 1/2 inch across the sets here. The drive has to match the torque wrench being used, and a torque figure applied through an adaptor between drives is no longer reliable. A crows foot also adds length to the wrench, which changes the torque delivered unless it is set at right angles.
The range a set covers matters more than the piece count, since a crows foot set with a gap sends the job back to an open spanner and loses the torque figure entirely. Sets here run 10, 14 and 15 pieces across metric and E-profile. Reading the ladder before the count is what makes two sets comparable.
E-profile and TRX-Star heads engage splined fasteners that no hexagon spanner will turn. Those are bought when the fastener appears rather than in advance, since nothing else engages them. Send the fastener and the torque wrench drive to 07754288583 on WhatsApp. Drive size is stated per set alongside the sizes it covers. Sets arrive in a tray so the ladder is visible and a missing head is obvious.
| Model No | AK6328 |
|---|---|
| Brand | Premier |
| Contents | 6 x 7, 8 x 9, 10 x 11, 12 x 13, 14 x 15, 16 x 17, 18 x 19, 20 x 22, 21 x 23, 24 x 27, 25 x 28, 30 x 32mm |
| Maximum Length | 365mm |
| Minimum Length | 285mm |
A spanner head with a square drive rather than a handle, so it runs from a torque wrench or extension. That is how a fastener a socket cannot reach is torqued.
The one matching the torque wrench, at 3/8 inch or 1/2 inch. A torque figure applied through an adaptor between drives is no longer reliable.
Less than the range. A crows foot set with a gap sends the job back to an open spanner and loses the torque figure entirely, which was the reason for using one.
10, 14 and 15 pieces across metric and E-profile, with the range each covers stated alongside the count rather than instead of it.
Heads engaging splined fasteners that no hexagon spanner will turn. They are bought when the fastener appears, since nothing else will engage it.
Yes, on a ratchet or bar. The torque wrench is the reason most workshops buy them, but the head works on any handle of the matching drive.
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