Models and basic specs
BLD‑SR6310
Shank diameter: 6 mm.
Blade length: about 20 mm, total length around 40 mm.
Typical holder: MP HF/Long Stroke/Vibracut (reciprocating/HI‑frequency knife tool).
Materials: rubber‑backed carpet, corrugated, EPS, PUR, PVC, honeycomb, and similar thicker or rigid substrates.
BLD‑SR6223
Shank diameter: 6 mm, blade length about 12 mm (some sources note 14 mm for close variants), total length ~40 mm.
Holder: MP HF/Long Stroke/Vibracut.
Optimized for most types of corrugated board where precision and speed are important.
BLD‑SR6224
Shank diameter: 6 mm, blade length about 14 mm, total length ~40 mm.
Holder similar to BLD‑SR6223 (MP HF/Long Stroke/Vibracut).
For corrugated boards and similar materials, similar application window to SR6223 but with slightly longer edge for thicker board.
Compatibility and OEM equivalents
All three are round‑shank oscillating blades for Kongsberg cutters (Esko Kongsberg / Kongsberg PCS tables). They are meant to be plug‑in compatible with the corresponding OEM codes BLD‑SR6310, BLD‑SR6223, BLD‑SR6224.
Typical OEM part references you may see:
BLD‑SR6224: G42438135.
BLD‑SR6310: G42441626.
BLD‑SR6223: G42437293.
Some third‑party catalogs list K223r as a replacement for BLD‑SR6223/G42437293 and similar “Kxxxr” models as vib‑knife equivalents, confirming cross‑compatibility in Kongsberg‑style holders.
Material/application guidance
If you’re selecting among the three:
Choose BLD‑SR6310 when you cut thicker foams, honeycomb, rubber‑backed carpet, or heavy corrugated where penetration depth and rigidity matter.
Choose BLD‑SR6223 for standard corrugated board where you want fast, precise oscillating cuts with minimal over‑penetration.
Choose BLD‑SR6224 when you need similar behavior to SR6223 but with a slightly longer cutting edge for thicker corrugated grades.
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