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RFQ K4-258-258L Tool Kit, Screw Thread Insert

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RFQ K4-258-258L Tool Kit, Screw Thread Insert

Postby PLConsulting on Wed Jan 14, 2026 11:18 am

Item Details:

NSN: 5180-00-178-0046

Item Name: Tool Kit, Screw Thread Insert

Quantity Required: 3 kits

Reference Manufacturer: Howmet / Arconic

Reference Part Number: K4-258-258L (or equivalent)

Minimum Technical Requirements (per kit):

Total components: 87

Thread size: 1/4-28 UNC

Material application: Aluminum and magnesium

Kit includes:

20 self-locking screw thread inserts (6-point, solid, one-piece, high strength)

20 non-locking screw thread inserts (4-point, solid, one-piece, high strength)

1 step drill

1 thread cutting tap

2 drive wrenches

1 swage tool

1 removal tool (suitable for aluminum and magnesium)

1 tool box

No cadmium plating

If you can supply this exact part number or an equivalent please let us know ASAP
PLConsulting
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