BF-65 Insect High Carbon Steel Original Filipino Balisong butterfly Knife

$134.75

Blade Materials – High Carbon Steel
Handle Materials – Stainless with Bone Inserts
Overall Length – 24cm
Blade Length -12cm
Weight -180g

Choose your blade

Not sure which one you want? Read the trainer guide.

Personalise this knife

Engraving is cut into the bolster and is permanent, so engraved knives are final sale. It adds 1 to 3 business days.

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You upload your logo file on the checkout page, right below the order notes. JPG, PNG, WEBP, GIF or PDF, up to 10 MB. As soon as the file reaches us we cut it and your knife goes into production.

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Ships in 1 to 3 business days
Fitted leather sheath included
Hand-tuned before shipping
Worldwide with tracking

Buy together

Take the set

Two more knives from the bench, picked to sit alongside this one. Take any two together and 10% comes off. Take all three and it is 15%.

BF-65 Insect balisong — high carbon steel blade, stainless steel and bone handleBF-132 tanto balisong butterfly knife — D2 tool steel blade, rosewood handle with brass bolsters (view 2)BF-09 Aurochs balisong butterfly knife — 440C stainless blade, stainless handle with kamagong wood inserts (view 1)

Total price:

Engraving is chosen on each knife own product page, so knives added here go in without engraving.

Hand-forged in the Batangas tradition

The balisong was born in Batangas, Philippines. Every knife in this catalogue is made by Filipino artisans and metalworkers, many from families with generations of experience, now working in the United States. Blades are ground from 440C stainless, D2 tool steel, VG10, high carbon and Damascus, and fitted to handles of kamagong ebony, carabao horn, Philippine deer horn and bone.

Craftsman hands checking blade alignment and pivot action on a finished butterfly knife

Checked four times

Detailed hand inspection, smoothness and pivot testing, blade alignment checks, and durability and finish quality control. If a knife doesn't meet our standards, it never reaches our customers.

Engraving available

Initials or short text $19 in the font you choose, a custom logo $29. Select it above Add to Cart and upload the logo file at checkout.

A sheath with every knife

Every knife includes a fitted leather sheath. Both live blades and trainers are offered, and every order ships worldwide with tracking.

Buying more than one?

Trade pricing starts at ten pieces and reaches 45% under retail at volume, with your logo on the bolster. See wholesale and bulk, or design one from scratch.

Description

Insects carry their skeleton on the outside, and the BF-65 borrows the idea. Instead of brass mass, the structure comes from stainless liners with natural bone set into them — lighter-feeling in the hand, and paler than the near-black kamagong used across most of the high carbon group.

  • Blade Materials – High Carbon Steel
  • Handle Materials – Stainless with Bone Inserts
  • Overall Length – 24cm
  • Blade Length -12cm
  • Weight -180g

Carbon content between 0.30% and 1.70% by weight is what makes a carbon steel heat-treatable, but trace elements decide its quality. Sulfur makes steel red-short — brittle and crumbly while hot — and a low-alloy grade such as A36 holds about 0.05% sulfur with a melting range of 1,426–1,538 °C (2,599–2,800 °F). Manganese is often added to improve hardenability; AISI’s definition still permits up to 1.65% manganese in a carbon steel. The finished blade sits at roughly 58 to 60 HRC.

Bone takes on colour and character with handling, so this handle will not look the same in a year. Handmade in Batangas — see more high carbon balisongs.

Shipping & Delivery

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Shipping and returns

Processing

Most orders ship in 1 to 3 business days.

USA delivery

4 to 8 business days, tracked door to door.

International

8 to 14 business days. Customs times vary by country.

Made to order

Out of stock pieces are handcrafted for you in 2 to 3 weeks.