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ISO-MF Bored Flanges, Rotatable Bolt Rings, Aluminum Weld Stub

 

 

Flange MF, Bored

  • Stainless steel type 304
  • Use with claw clamps

Flange MF, Bored

Flange MF, Bored

 
PART NUMBER FLANGE SIZE BORE A B C
KSF-6763 NW 63 2.5" 2.37 2.50 .22
KSF-6780 NW 80 3" 2.87 3.00 .22
KSF-67100 NW 100 4" 3.87 4.00 .22
KSF-67160 NW 160 6" 5.83 6.00 .22
KSF-67200 NW 200 8" 7.76 8.00 .22
KSF-67250 NW 250 10" 9.75 10.00 .22
KSF-67320 NW 320 12" 12.42 12.75 .30

 

 

Flange MF, Bored

  • 6061-T6 Aluminum
  • Use with claw clamps

Flange MF, Bored

Flange MF, Bored

 
PART NUMBER FLANGE SIZE BORE A B C
KSF-6763-AL NW 63 2.5" 2.37 2.50 .22
KSF-6780-AL NW 80 3" 2.87 3.00 .22
KSF-67100-AL NW 100 4" 3.87 4.00 .22
KSF-67160-AL NW 160 6" 5.83 6.00 .22
KSF-67200-AL NW 200 8" 7.76 8.00 .22
KSF-67250-AL NW 250 10" 9.75 10.00 .22
KSF-67320-AL NW 320 12" 12.42 12.75 .30

 

 

Rotatable Bolt Ring Assemblies

  • Aluminum construction
  • Retaining ring included
  • Standard bolt pattern

Rotatable Bolt Ring Assemblies

Rotatable Bolt Ring Assemblies

 
PART NUMBER ISO SIZE TUBE SIZE A B C
RBR-6763-AL NW 63 2.50 5.12 4.33 .47
RBR-6780-AL NW 80 3.00 5.71 4.92 .47
RBR-67100-AL NW 100 4.00 6.50 5.71 .47
RBR-67160-AL NW 160 6.00 8.86 7.87 .63
RBR-67200-AL NW 200 8.00 11.22 10.24 .63
RBR-67250-AL NW 250 10.00 13.19 12.20 .63
RBR-67320-AL NW 320 12.75 16.73 15.55 .79

 

 

Flange MF Short Weld Stub

  • 6061-T6 Aluminum
  • Use with claw clamps

Flange MF Short Weld Stub

Flange MF Short Weld Stub

 
PART NUMBER FLANGE SIZE BORE A B
KSF-6863-AL NW 63 2.5" 1.51 2.50
KSF-6880-AL NW 80 3" 1.51 3.00
KSF-68100-AL NW 100 4" 1.51 4.00
KSF-68160-AL NW 160 6" 1.51 6.00
KSF-68200-AL NW 200 8" 1.51 8.00
KSF-68250-AL NW 250 10" 1.56 10.00
KSF-68320-AL NW 320 12" 1.56 12.00

Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Precision Welded. Performance Proven.
For 50 years, Key High Vacuum Products, Inc. has been a trusted leader in precision-engineered stainless steel high vacuum weldments. With tens of thousands of unique weldments in use—from particle accelerators to industrial leak detectors—our expertise is proven across industries. Rooted in innovation, craftsmanship, and an unwavering commitment to customer satisfaction, we deliver high-quality, customized solutions that drive success. Every day, our team brings a unique blend of passion and precision, ensuring your goals are met with excellence—because your mission matters. Experience the Key High difference.
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Key High Vacuum Products, Inc.
36 Southern Boulevard, Nesconset, NY 11767
1-631-360-3970
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