MDC Huntington 8 Inch ConFlat Flange 6.625" Tube Bore 20 Tapped Holes for Sale

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MDC Huntington 8 Inch ConFlat Flange 6.625" Tube Bore 20 Tapped Holes For Sale

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MDC Huntington 8 Inch ConFlat Flange 6.625" Tube Bore 20 Tapped Holes:
$95.00

CONFLAT SOLUTIONS | TECHNICAL PROFILE | 8CF-BORED-6625-USED TECHNICAL_LOG: V6.20_8CF_BORED_FLANGE BUILD_SESSION: 2026.05.18.CONFLAT_8CF_BORED_6625_USED MDC / HUNTINGTON STYLE | 8.0" CF BORED FLANGE | USED HEAVY-NODE UHV STRUCTURAL WELD FLANGE // 20 TAPPED HOLES (5/16"-24 UNF) // 6.625" INDUSTRIAL BORE // AUDITED USED Forensic Intelligence Report: Structural Core Intelligence 01 20-Hole Tapped Fastening Matrix Specifically engineered for standard 8.0" ConFlat (DN150CF) chamber configurations. Features twenty (20) integrated tapped holes precision-threaded to accept standard 5/16"-24 UNF high-tensile fasteners on a standard bolt circle diameter. This configuration allows direct, single-sided bolting into matching clearance-hole vacuum chamber ports, completely eliminating backing nut clearance constraints in tight, compact manifolds. 02 Bore Specification: 6.625" Nominal ID (Weld-Neck Clearance Sleeve) The center bore is precision-machined to exactly 6.625 inches (168.28 mm / 6-5/8") ID, purposely engineered to serve as a slip-fit weld socket over standard 6-inch Schedule 40 or Schedule 80 industrial stainless steel piping. This smooth profile eliminates internal structural pockets or mechanical dead zones, maximizing molecular gas conductance and fundamentally blocking virtual leaks or process gas turbulence. Engineered specifically for heavy-walled industrial processing lines where thin-walled fractional tubing would fail under extreme atmospheric load or high-temperature structural twisting cycles. 03 Forensic Sealing & Thread Audit: Verified USED Excellent Technically audited (Tier 3). The circular 8.0" ConFlat (DN150CF) sealing ridge is sharp, uniform, and completely free of cross-axis radial gouges, deep scratches, tool driver slips, or drop nicks. Faint, uniform concentric installation witness marks are present from a previous installation cycle but sit safely within standard, predictable operational tolerances. Verified to create an immediate, airtight metal-to-metal copper gasket cold weld. All 20 tapped fastening holes have been clean-pass checked with a standard thread plug gauge. FLANGE OD SIZE8.00" ConFlat (DN150CF) NOMINAL BORE ID6.625 INCH (168.28 MM) FASTENER INTERFACE20 TAPPED (5/16"-24 UNF) VACUUM LIMIT1 × 10-10 TORR METALLURGY DNA304 STAINLESS STEEL THERMAL LIMIT450°C (BAKEABLE) ASSET MASS~ 8.2 LBS (HEAVY-NODE) CONDITIONAUDITED USED (TIER 3) Hardware Status Matrix Tier 1: Audited NOS Pristine. Uninstalled. Not Applicable Tier 2: Seller Refurbished Vetted Baseline. Not Applicable Tier 3: Audited Used Verified Sealing Baseline. ✓ CURRENT STATUS BLUE DIAMOND PROTECTION PROTOCOL: ACTIVE

BLUE DIAMOND INTEGRITY CLAUSE: This premium pristine 8.0" ConFlat vacuum hardware node qualifies for Free 30-Day Domestic Returns. In accordance with platform-standard seller protection guidelines, any returned asset must arrive back at our facility in its identical shipped baseline state. Since this item is listed in excellent used condition, the opening of cleanroom protective bags, the introduction of new knife-edge damage signatures (such as driver tool slips, radial scratches, edge flattening, or dropped dents), or chemical/atmospheric grease contamination from exposure to unvetted laboratory lines will result in an immediate, mandatory 50% refund deduction due to the total loss of technical utility and uninstalled industrial resale value.

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