TIME-SERT® BIG-SERT® Oversize Thread Repair Inserts – M5 to M12 Metric Sizes

Premium oversize solid bushing inserts designed for permanent heavy-duty thread repair. BIG-SERT® inserts are ideal for repairing stripped, damaged or previously repaired holes where standard inserts have failed.

Key Features

Oversize Solid Bushing Design

Repairs previously damaged or oversized holes that standard inserts cannot restore.

Heavy-Duty Permanent Repair

Solid steel construction restores full load capacity and resists vibration and wear.

Positive Flange Placement

Integrated flange ensures flush seating and prevents insert movement during installation.

Cold-Rolled Locking Technology

Bottom threads expand into the base material during installation for permanent locking.

Product Summary

  • Brand: TIME-SERT®
  • Type: BIG-SERT® Oversize Insert
  • Thread Range: M5 to M12
  • Application: Oversize Thread Repair
  • Material: High-Strength Steel
  • VAT invoice provided

Compatible BIG-SERT® Kits:
M5 × 0.8 Kit
M6 × 1.0 Kit
M7 × 1.0 Kit
M8 × 1.0 Kit
M8 × 1.25 Kit
M10 × 1.0 Kit
M10 × 1.25 Kit
M10 × 1.5 Kit
M11 × 1.25 Kit
M12 × 1.25 Kit
M12 × 1.5 Kit
M12 × 1.75 Kit

Browse the full BIG-SERT® Kit Range

Available Thread Sizes

Thread Size (ID × Pitch) Outer Diameter (OD × Outside Pitch)
M5 × 0.8OD 7 mm × 1 mm
M6 × 1OD 8 mm × 1 mm
M7 × 1OD 10 mm × 1 mm
M8 × 1OD 11.65 mm × 1.5 mm
M8 × 1.25OD 11.65 mm × 1.5 mm
M10 × 1OD 13.7 mm × 1.5 mm
M10 × 1.25OD 13.7 mm × 1.5 mm
M10 × 1.5OD 13.7 mm × 1.5 mm
M11 × 1.5OD 15.7 mm × 1.5 mm
M12 × 1.25OD 15.8 mm × 1.5 mm
M12 × 1.5OD 15.8 mm × 1.5 mm
M12 × 1.75OD 15.8 mm × 1.5 mm
Important Notes
BIG-SERT® inserts are oversize repair solutions and require the correct BIG-SERT® installation kit. Always confirm thread size and pitch before ordering.

Fast dispatch • VAT invoice provided • Genuine TIME-SERT® BIG-SERT®

Postage & Packaging
30 Day Money Back Guarantee

Of course, we want you to buy as many goods as possible from our shop. If you want to buy more than one of a particular product or multiple items, we will always try to combine postage and packaging costs.

Due to charges levied by our delivery agents, some Highland & Island locations incur a surcharge when being delivered by courier. In these instances, we will attempt to use an alternative delivery service, but this is not always possible.

If your postcode is listed below, please contact us prior to purchasing goods and we can confirm the cost of shipping:

  • AB, BT, DD, DG, EH, FK, G, GY, HS, IM, IV, KA, KW, KY, ML, PA, PH, TD, ZE, all Islands.

Ace Consumables ship most goods within 24hrs of cleared payment on a next-day delivery service* (Friday pm–Sunday orders ship Monday).

Orders received before 11:30am are usually shipped the same day. Services used include:

  • Royal Mail Tracked 24
  • Royal Mail Tracked 48
  • Courier Delivery (48hr*)
  • Courier Delivery (24hr*)

Most customers receive their orders within 2–4 days. If goods have not been delivered after 4 days, please contact us.

*The following postcodes may take an additional day or two:

  • AB, BT, IV, KW, PA, PH, all Islands.

Disclaimer: Ace Consumables reserve the right to change the terms at any time.

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