Click to enlarge275-BT
2.75" OD Conflat Flange
(6) Bolts & Washers
Tapped Hole Conflat

Fits: 2-3/4" OD CF Conflat Flanges With TAPPED Hole
6 Bolt and Washer Kit

• Del Seal Conflat Flange (CF) Equivalent
• 18-8 Stainless Bolts
• DN40CF (DN35CF) TAPPED Hole Bolt Kit
• Ultra-High Vacuum (UHV) Hardware

Order 12-Point Bolt Kit (275-BT-12)

275-BT Series Bolt Kit Fits:
2.75" OD Non-Rotatable Tapped CF Flanges
2.75" OD Rotatable Tapped CF Flanges

Maximum Torque for Vacuum Tight Seals

2.12" -2.75" OD

16 ft/lbs.

Over-torqueing can result in broken bolts

Bolt & Washer Kit
Fits: 2.75" Conflat
Tapped Hole


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Click to enlarge
2.75" OD Conflat
TAPPED Hole Series

2.75" OD Conflat
TAPPED Hole Series

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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 Hardware

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2.75" OD Conflat Series, Plastic Cap

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.
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