V-Trim And Vent Knives — Primary Tool
№66090

Hyde Tools 66090 Offset V-Trim Knife H222

MODEL 66090 · SKU H-66090 · UPC 079423660900
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$26.48 PER UNIT · SINGLE UNIT UNIT PRICE

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Offset V-Trim Knife H222

Official Hyde specifications

Blade dimensions
3-1/2" x 3/4" x .065"
Trim large mold flush from plastic and rubber goods
PRODUCT FIT · IS THIS THE RIGHT TOOL? Straight answers. If it's the wrong tool for your job, we'll say so.

The guidance below describes applications and limitations. For a match to your particular job or an existing tool, ask us to confirm fit.

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Is this the right tool for your job?

CHOOSE A DIFFERENT TOOL WHEN
  • Fine, brittle flash better snapped or scored — that crosses to a razor or scoring tool (see 2b).
  • High-volume small-part deflashing — a great many small molded parts with fine flash are deflashed faster by cryogenic tumbling or media blasting than by any hand knife; the 66090 is the large-part, short-run, heavy-flash tool by Hyde's own wording.
  • Throughput vent-trimming of production tread rows — that is the five-groove pin trimmer's swath job (65060); the single notch takes the detail after.
  • Flat-only bench work where clearance never matters — a straight V-trim (66030 curved-tip, 66330, 66060) is the simpler right answer when the surface is flat and the hand never fouls it.
  • And it is not a repair knife — finishing a healthy part is this line; shaving damaged rubber off an injured casing is the K770 skiver (61350) and reaming a ragged casing cut is the H2T taper point (61260), both other lines.

Jobs this tool does

EXACT JOB METHODS FOR HYDE №66090
VIEW 3 MORE DOCUMENTED JOBS

How the pros run it

01

Keep the flanks seated; let the notch do all the cutting

The defining error with any V-trim knife is lifting the trailing flank to "help" the cut — that rolls the notch walls into the part face and gouges it, which is the exact failure the geometry exists to prevent. Flat flanks, converging walls doing the shear. Pull the notch along the flash, not into it — the cut is a running one that feeds the fin continuously into the V, not a series of chops. Use the offset as designed: the clearance is there so you can keep the blade flat through a long stroke without dropping your hand onto the work, so hold the wrist steady and let the step in the blade carry the knuckles. Two hands on heavy flash — the .065" blade holds its plane under real pressure, which is why the line runs this gauge and not a flexing one. Sharpen the notch, not the edge: hone the inside walls of the V with a slim slip stone or fine tapered file following the taper, strop the burr off the outside face, and never true it on a flat bench stone alone — a flat stone rounds the flanks and un-designs the knife (notch-honing is authored trade knowledge; no Hyde maintenance text exists). Wipe the high-carbon blade dry after wet work; it blooms rust where stainless would not.

Asked before buying

BUYER QUESTIONS, ANSWERED BEFORE YOU ORDER
What does the catalog say this knife is for?
Exactly one printed sentence, quoted verbatim: "Trim large mold flush from plastic and rubber goods." It is the only member in the line Hyde gives an application line — which makes the 66090 the family's documented deflashing knife.
What is deflashing?
Removing the flash — the thin film of cured material forced out at a mold's parting line and vents — from a molded rubber or plastic part. The V-notch shears the flash flush to the part face without scoring the surface beside it.
Why the offset?
Hand clearance on long and curved pulls. On a big molded part or a crowned tire, the step in the blade keeps the flanks flat and the knuckles clear for the whole stroke; Hyde doesn't publish how much offset .
Rubber and plastic both?
Both, by Hyde's wording. Heavy ductile flash shears cleanly in the notch; thin brittle plastic flash is often better snapped or scored — an honest boundary, not a failure of the knife.
When do I use this instead of the 66030?
Same blade size, different form: the offset (this knife) for clearance-documented long and convex pulls; the curved-tip straight (66030) for contoured sweeps on flat bench work.
How do I keep the edge?
Hone the inside walls of the notch with a slip stone or tapered file, strop the outside face, and never use a flat bench stone alone — it rounds the flanks . Wipe the carbon blade dry after wet work.

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Crew & facility ordering

Model & SKUModel 66090 · SKU H-66090 · UPC 079423660900
Product-specific quantity pricingSee this product’s published tiers above. Eligible discounts apply automatically at checkout.
PO & NET-30Approved contractors, facilities, schools and government buyers can route through Hyde Pro.
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Specs & documentation

Full specification details
catalog product name
Offset V-Trim Knife H222
specifications
blade dimensions: 3-1/2" x 3/4" x .065"
official family claim
Trim large mold flush from plastic and rubber goods.
official product name
V-Trim Knives - Offset
official variant identity
66090 — H222
$26.48PER UNIT · H-66090