Hyde Tools 06357 3" Super Flexx SS Putty Knife | the Hyde Store
Flexible Putty Knives — Primary Tool
№06357

Hyde Tools 06357 3" SuperFlexx™ Stainless Steel Joint Knife

BEST FOR · Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints.
MODEL 06357 · SKU H-06357 · UPC 079423063572
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$10.00 PER UNIT · SINGLE UNIT UNIT PRICE

Selected subtotal: $10.00. Standard US shipping is $9.99 below $15, $7.99 from $15 to below $49, and free at $49 after discounts. Freight items excluded; other rates are shown at checkout.

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Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints.

Official Hyde specifications

Versatile Use
Ideal for a range of tasks including applying and smoothing joint compound
Super Flexible Blade
30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints
PRODUCT FIT · IS THIS THE RIGHT TOOL? Straight answers. If it's the wrong tool for your job, we'll say so.

Choose this when: Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints.

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Is this the right tool for your job?

✓CHOOSE THIS WHEN
  • Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints.
  • High-Quality Stainless Steel Blade: Hardened for durability and longevity. Rust-Resistant.
  • Versatile Use: Ideal for a range of tasks including applying and smoothing joint compound.
✕CHOOSE A DIFFERENT TOOL WHEN
  • Removal and force.
  • Do not scrape failed paint, lift old glazing, dig caulk, or pry with a SuperFlexx blade — the same thin hollow grind and deep flex that feather a coat will fold, chatter, and take a set the moment you drive them into a bonded material.
  • Scraping is the stiff family's job (in stainless, 06308 or the Black & Silver stiffs).
  • Do not use it to press filler into a deep hole or a proud-crowned repair either: it is too limber to pack material down and will skate over the cavity instead of driving compound into it — that is the standard-flex knife's job (the 2" SuperFlexx 06257 fills, this 3" feathers).
  • And it is not a struck tool: with no Hammer Head® in its build, there is no striking butt here to reset a popped nail — reach for the 06557 or 06757 when the job needs the fill and the tap.

Jobs this tool does

EXACT JOB METHODS FOR HYDE №06357
Job guide How to Build a Patch-and-Paint Finish KitOPEN JOB GUIDE Job guide How to Coat Drywall Fastener HeadsOPEN JOB GUIDE Job guide How to Feather the Final Coat Over a Wall PatchOPEN JOB GUIDE Job guide How to Skim-Blend a Repaired Area into the Surrounding WallOPEN JOB GUIDE

For these jobs—use this instead

THE JOB, THE REASON, AND THE BETTER TOOL
Scraping Scraping is the stiff family's job (in stainless, 06308 or the Black & Silver stiffs). BETTER TOOL Two-Inch Stiff Stainless Scraper — Hyde 06308 Packing filler into deep holes It is too limber to pack material down and will skate over the cavity instead of driving compound into it — that is the standard-flex knife's job (the 2" SuperFlexx 06257 fills, this 3" feathers). BETTER TOOL 2" Super Flexx SS Putty Knife 06257 Resetting popped nails And it is not a struck tool: with no Hammer Head® in its build, there is no striking butt here to reset a popped nail — reach for the 06557 or 06757 when the job needs the fill and the tap. BETTER TOOL 4" Super Flexx SS Putty Knife 06557

How the pros run it

01

Angle

low and progressive. Start a feather pass nearly flat and increase pressure toward the patch edges so the blade flexes more as it goes — that increasing bow is what thins the compound to zero. Pressure makes the flex: these blades are engineered to bow under load; a timid pass never loads the blade and never feathers. Thin coats, more of them: a SuperFlexx blade rewards two or three thin passes over one thick one — thin compound dries flat, thick compound shrinks and telegraphs. Keep it clean: wipe the blade between passes; a fleck of set compound on the edge draws a track through every following stroke. Stainless means no ritual: rinse and wipe at the end of the day — no drying-and-oiling, because there is no carbon steel to rust. Read the work with light: a raking work light finds ridges your eye misses head-on; finish to the light, not to the feel.

Asked before buying

BUYER QUESTIONS, ANSWERED BEFORE YOU ORDER
Is this a scraper or a finishing knife?
Finishing — it applies and smooths compound. It is not built to scrape or lift; that is the stiff family's job.
What does "SuperFlexx" / "30% more flexible" mean?
Hyde grinds a thin, hollow blade with an engineered flex point and rates it 30% more flexible than their standard joint knives — measured against Hyde's own baseline, quoted here as the manufacturer states it .
Why stainless?
So wet joint compound wipes off with no rust and no gray streaking in white mud — and no drying-and-oiling ritual.
Does it have a Hammer Head for setting nails?
Its catalog name does not carry one; the 4" and 5" SuperFlexx knives (06557, 06757) do. If you need to reset pops as you fill, choose those (the shared family description mentions a HammerHead across the range, but the 3"'s own name and claim set omit it — treat per-SKU Hammer Head on the 06357 as unconfirmed).
3" or the 2"?
The 2" (06257) fills; this 3" feathers. Most finish kits carry both.
Can I tape a whole room with it?
No — it is a repair-scale seam blade. Whole-room taping wants wider drywall-finishing knives.

Compare Hyde models

Crew & facility ordering

Model & SKUModel 06357 · SKU H-06357 · UPC 079423063572
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
3" SuperFlexx™ Stainless Steel Joint Knife
official product name
SuperFlexx™ Stainless Steel Joint Knives
official variant identity
06357 — 3"
official description
The SuperFlexx™ Joint Knives feature a stainless steel blade that is 30% more flexible than our standard joint knives. These joint knives are ideal for applying compounds, smoothing surfaces, and taping joints. The knives come with an overmold comfort grip and a HammerHead® for setting nails and screws. Key Features: Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints. High-Quality Stainless Steel Blade: Hardened for durability and longevity. Rust-Resistant. Overmold Comfort Grip: Ensures a comfortable and secure hold. HammerHead®: Useful for setting nails and screws during your work. Benefits: Versatile Use: Ideal for a range of tasks including applying and smoothing joint compound. Enhanced Comfort: Overmold grip for comfort. Sizes Available: 3" 4" 5" 6"
official feature
Super Flexible Blade: 30% more flexible blade that is p erfect for applying compounds, smoothing, and taping joints.
official feature
High-Quality Stainless Steel Blade: Hardened for durability and longevity. Rust-Resistant.
official feature
Versatile Use: Ideal for a range of tasks including applying and smoothing joint compound.
Hyde official catalog evidence ↗Hyde Tools manufacturer source ↗
$10.00PER UNIT · H-06357