The FIT-UP PRO Stainless Steel Flange Pins provide accurate and dependable flange alignment for precise fit-ups. Also known as “two hole pins,” these tools are crafted from stainless steel, making them ideal for exotic material applications. Designed for flange holes from 1/4 – 7/8″ / 6.5 – 22 mm, they feature knurled handles for enhanced grip and tightening. Compact and efficient, they ensure correct flange positioning with minimal effort. These pins come in a convenient blister pack, ready to support professional fabricators on site or in the shop where alignment accuracy and repeatability are key. This product comes in blister packaging.
STAINLESS STEEL FLANGE PINS (PAIR)


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Part No. | Old Sumner Part No. | Description | Flange Hole Diameter Range |
2124 | 780429 | Stainless steel flange pins (pair) | 1/4 – 7/8″ / 6.5 – 22 mm |
FIT-UP PRO’s stainless steel flange pins, aka “two hole pins”, are used for precise flange leveling and alignment. The Part No 2124 are smaller stainless steel mini pins that fit flange holes up to 7/8″” (22 mm). The knurled surfaces are an additional feature that allow snug flange hole fitting that increases accuracy during flange alignment.
This product comes in blister packaging.
FIT-UP PRO flange pins are an economical and efficient way to align flanges.
Part No 2124 for use in 1/4 – 7/8″” / 6.5 – 22 mm holes.
Made of stainless steel for exotic flange fit-ups.
The flange pins offer knurled handles for increase grip and tightening ability.
Items come in blister packaging.

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