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6-Bolts, Nut & Washer Kit
Fits 2.75" OD Double-Sided (DS) Conflats

Fits: 1/2" (Standard) Thick 2.75" Double Sided CF Conflat Flanges (2.75" OD x 0.50" H)

• 6 Bolts, Nut and Washer Kit
• Del Seal Conflat Flange (CF) Equivalent
• 18-8 Stainless Bolts
• DN40CF (DN35CF) Double Faced Bolt Kit
• Ultra-High Vacuum (UHV) Hardware

275-BKD Series Bolt Kit Fits:
2.75" OD Double Sided CF, Standard Thickness

Maximum Torque for Vacuum Tight Seals

2.12" -2.75" OD

16 ft/lbs.

Over-torqueing can result in broken bolts

Bolt, Nut & Washer Kit 2.75" Double Sided CF

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Click to enlarge
2.75" OD Double-Sided Conflats, Standard Thickness

2.75" OD Conflat Series Hardware

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Click to enlarge
2.75" OD Conflat Series, Copper Gaskets

2.75" OD Conflat Series, Viton® Gaskets

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Click to enlarge
Anti-Seize Stick

2.75" OD Conflat Series, Plastic Cap

LDS will be CLOSED: Monday, January 18, 2021

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.
Images Shown May Be For Reference Only

There is a global helium shortage. Each time an MRI is performed, helium is used. Please rethink your helium balloon purchase.