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Thread repair kit, BSF, f-coil, 1/4-1/2, Fervi E011/BSF

Also known as: wire thread insert kit, helical insert kit

Code E011/BSF

Key features

  • SizesBSF 1/4" - 1/2"
  • STI taps1/4"x26 - 5/16"x22 - 3/8"x20 - 7/16"x18 - 1/2"x16
  • Bits6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm
  • Threaded inserts1/4"=25 - 5/16"=25 - 3/8"=25 - 7/16"=10 - 1/2"=10
  • Assembly tool5 Pcs
  • Breaking tool5 Pcs
See all 10 specifications

What it is

Thread repair kit, BSF, f-coil, 1/4-1/2, Fervi E011/BSF. Key specifications: sizes BSF 1/4" - 1/2", STI taps 1/4"x26 - 5/16"x22 - 3/8"x20 - 7/16"x18 - 1/2"x16, bits 6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm.

These are tools and kits for repairing damaged threads: a larger threaded hole is made and a helical spring insert is screwed into it, restoring the original thread.

What it is for

Used for drilling steel, stainless steel and aluminium, on a pillar drill or with a hand-held drill, for industrial maintenance of plant and machinery and in mechanical maintenance of machinery and plant, during scheduled shutdowns or breakdowns.

How to use it

Drill out the damaged hole with the drill bit indicated by the kit, cut the new thread with the dedicated tap and screw in the insert with the installation tool to the specified depth. If applicable, remove the tang. Then screw the bolt into the restored thread. To remove an insert, use the extractor.

Where it is used

  • Mechanical engineering industry
  • Mechanical workshops

Technical data

  • Sizes: BSF 1/4" - 1/2"
  • STI taps: 1/4"x26 - 5/16"x22 - 3/8"x20 - 7/16"x18 - 1/2"x16
  • Bits: 6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm
  • Threaded inserts: 1/4"=25 - 5/16"=25 - 3/8"=25 - 7/16"=10 - 1/2"=10
  • Assembly tool: 5 Pcs
  • Breaking tool: 5 Pcs
  • Packaging dimensions (mm): 365 × 275 × 50
  • Gross weight (kg): 2,58

Who it is for

Designed for industrial maintenance technicians and mechanics.

Related products

Before you order

Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.

For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.

Indicative price €137,40 – €229 + VAT

Incl. 22% VAT: €167,63 – €279,38

Indicative, excluding VAT, depends on quantity, ex works: the final price is the one in your quote

Source: Listino Fervi (fervi.com) · updated 21/07/2026

Quantity
Specifications 10
SizesBSF 1/4" - 1/2"
STI taps1/4"x26 - 5/16"x22 - 3/8"x20 - 7/16"x18 - 1/2"x16
Bits6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm
Threaded inserts1/4"=25 - 5/16"=25 - 3/8"=25 - 7/16"=10 - 1/2"=10
Assembly tool5 Pcs
Breaking tool5 Pcs
Packaging dimensions (mm)365 × 275 × 50
Gross weight (kg)2,58
EAN8012667367060
Item codeE011/BSF

Compare with similar models

Technical data declared by the manufacturers. An empty cell means the figure is not declared.

Feature This model Thread repair kit, BSF, f-coil, 1/4-1/2, Fervi E011/BSF Thread repair kit, BSW, f-coil, 1/4-1/2, Fervi E011/BSW Thread repair kit, UNF, f-coil, 1/4-1/2, Fervi E011/UNF Thread repair kit, metric, f-coil, Fervi E010B
Brand FerviFerviFerviFervi
Sizes BSF 1/4" - 1/2"BSW 1/4" - 1/2"UNF 1/4" - 1/2"M6 - M14 mm
STI taps 1/4"x26 - 5/16"x22 - 3/8"x20 - 7/16"x18 - 1/2"x161/4"x20-5/16"x18-3/8"x16-7/16"x14-1/2"x121/4"x28 - 5/16"x24 - 3/8"x24 - 7/16"x20 - 1/2"x20M6 x 1 - M8 x 1,25 - M10 x 1,5 - M12 x 1,75 - M14 x 1,25
Bits 6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm6,6 mm - 8,3 mm - 9,9 mm - 11,5 mm - 13 mm6,7 mm - 8,3 mm - 9,8 mm - 11,5 mm - 13 mm6,3 mm - 8,3 mm - 10,4 mm - 12,4 mm
Threaded inserts 1/4"=25 - 5/16"=25 - 3/8"=25 - 7/16"=10 - 1/2"=101/4"=25 5/16"=25 3/8"=25 7/16"=10 1/2"=101/4"=25 - 5/16"=25 - 3/8"=25 - 7/16"=10 - 1/2"=10M6=25 M8=25 M10=20 M12=15 M14=25
Assembly tool 5 Pcs5 Pcs5 Pcs5 Pcs
Breaking tool 5 Pcs5 Pcs5 Pcs5 Pcs
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The perfect setup for this job

Everything you need in one place, from functionality to safety.

For the job

FerviMilling point Fervi P037/8Code P037/8

Make precise holes in steel, non-ferrous metals and plastics for screws, rivets and threads.

For safety