Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you're viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
M-STL 3 1/4

Image for Illustration purposes only. Actual product may vary

Martin M-STL 3 1/4 QD bushing, Type M size, steel construction, 3-1/4" bore, 3/4" x 3/8" keyway. Industry-interchangeable Quick Disconnect bushing for sprockets, sheaves, and couplings. Torque rating: 85,000 in-lb.

MODEL M-STL 3 1/4

SKU

247804

WEIGHT

50.400 lb

UOM

each

Contact supplier for technical support on: 323-728-8117

$779.97 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Bore Size

3-1/4"

Bushing Size

M-STL

Keyway

3/4" x 3/8"

Material

Steel

MaterialSteelMax Bore Size5.500 in.
Bore TypeStandardFlange Diameter9.000 in.
Finished Bore Size3.250 in.Length Thru Bore6.750 in.
Key Way Size3/4 X 3/8 in.Cap Screw Bolt Circle7.875 in.
Set Screw Size3/4-10X3/4 in.Number of Mounting Cap Screws4
Min Bore Size3.250 in.Cap Screw Size3/4 X 6 3/4 in.
Storage Dimension Width9.000 in.Individually PackagedNo
Storage Dimension Height6.750 in.

SKU: 256485

Nice sprocket

sprocket is very nice.

Read more

SKU: 263484

Solid product at a great price

Solid product, fair and super fast shipping! MROSUPPLY delivers it all!

Read more

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

Read more

SKU: 262509

Service manager

on time.. great company thanks john gorth

Read more
Recently Viewed
Reviews

SKU: 256485

Nice sprocket

sprocket is very nice.

Read more

SKU: 263484

Solid product at a great price

Solid product, fair and super fast shipping! MROSUPPLY delivers it all!

Read more

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

Read more

SKU: 262509

Service manager

on time.. great company thanks john gorth

Read more

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/