Ask a research-administration question
Answers are drawn from CASRAI and the rest of the CASRAI corpus, with a link to every source.
Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this
CASRAI is the reference for research administration — bookmark it for the next question.

SKU SPOOL8X8
USA Lab
8" x 8" Tri Clamp Spool
in Spools
$159.00
In stock8 in × 8 in Tri-Clamp spool in 304 stainless steel, with an 8.57 in flange outer diameter and 7.78 in tube inner diameter.
Buying through procurement?
Generate a formal quotation for 1 × this item, plus our W-9 — everything your finance department needs to raise a purchase order.
Ordering several items? Add them to your cart, then create one quote for the whole cart.
Description
TRI-CLAMP FITTING SIZES
Tube Outer Diameter A
Flange Outer Diameter B
Tube Inner Diameter C
1.5″
1.98″
1.37″
2″
2.52″
1.87″
3″
3.58″
2.87″
4″
4.68″
3.83″
6″
6.57″
5.78″
8″
8.57″
7.78″
10″
10.57″
9.73″
12″
12.57″
11.81″
SPOOL8X8 Specifications
Tri-Clamp Size
8″
Material
304 Stainless Steel
Standard
3A High Polish
Spool OD
8″
Spool ID
7.8″
Flange OD
8.6″
Frequently asked questions
What are the Tri-Clamp dimensions?+
8 in tube outer diameter, 8.57 in flange outer diameter, 7.78 in tube inner diameter.
What is it made from?+
304 stainless steel.
What is the part number?+
SPOOL8X8.











