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Marine Grade All Stainless Steel Hose Clamps

If you are looking for high quality, marine-grade, stainless steel, worm gear hose clamps, we have the products you need. We stock the highest quality hose clamps, available to you at low prices. Our selection is second-to-none, and there are no minimum quantities to purchase. Look no further, and purchase your marine grade stainless steel clamps from PlumbingSupply.com®.

We sell in bulk - no need to pay for extra packaging - no minimum order!
Buy only as many as you need.

Stainless steel clamps

Note: We do NOT offer budget stainless clamps. These are top quality, all stainless steel hose clamps that are designed for use where corrosion is a problem such as marine and underground applications. Of course, you can use these in less corrosive applications if you desire a top quality clamp.


We offer these stainless steel hose clamps in three sizes


1/2" Wide Band - ALL Stainless Steel Hose Clamps

Marine Grade construction - 305 stainless steel 5/16" slotted hex screw & 301 stainless steel 1/2" wide band and housing
If you need to clamp something smaller than 7/8", we suggest ordering mini clamps

Number Outside Diameter
Range
Price & Quantity
#06 3/8" - 15/16" $1.19
#08 7/8" - 1" $1.24
#10 7/8" - 1 1/16" $1.29
#12 7/8" - 1 1/4" $1.34
#16 7/8" - 1 1/2" $1.39
#20 7/8" - 1 3/4" $1.44
#24 1 1/16" - 2" $1.47
#28 1 5/16" - 2 1/4" $1.50
#32 1 9/16" - 2 1/2" $1.53
#36 1 13/16" - 2 3/4" $1.57
#40 2 1/16" - 3" $1.60
#44 2 5/16" - 3 1/4" $1.62
#48 2 9/16" - 3 1/2" $1.72
#52 2 13/16" - 3 3/4" $1.98
#56 3 1/16" - 4" $2.01
#60 3 5/16" - 4 1/4" $2.07
#64 3 9/16" - 4 1/2" $2.13
#72 4 1/8" - 5" $2.23
Number Outside Diameter
Range
Price & Quantity
#80 4 5/8" - 5 1/2" $2.56
#88 4 1/4" - 6" $2.85
#96 4 1/2" - 6 1/2" $3.05
#104 5" - 7" $3.29
#116 6 1/4" - 7 5/8" $3.69
#128 6 1/2" - 8 1/2" $3.89
#152 2" - 10" $3.90
#164 1 3/4" - 10 3/4" $3.94
#176 9 1/4" - 11 1/4" $4.02
#188 2 1/16" - 12 1/4" $4.98
#200 11 1/4" - 13" $4.14
#212 11 3/4" - 13 3/4" $4.16
#224 12 1/2" - 14 1/2" $4.24
#248 1 3/4" - 16" $4.42
#270 15 3/8" - 17 3/8" $4.53
#312 18" - 20" $4.71
#332 19 1/8" - 21 1/4" $4.88
#390 22 7/8" - 24 7/8" $7.37

Sizes shown are for the OUTSIDE DIAMETER of the tubing/fitting

Order 10, 50, 100 or more of the same size for additional savings!
Pricing discounts will show up in your shopping cart.

16 Piece Set
Includes 2 each of #6, #8, #24, #32 and 4 each of #12, #20

16 piece set of 1/2inch clamps
16 Piece 1/2" Wide Hose Clamp Set = $14.87


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9/16" Wide Band - ALL Stainless Steel Hose Clamps

Marine Grade construction - 305 stainless steel 5/16" slotted hex screw & 301 stainless steel 9/16" wide band and housing
If you need to clamp something smaller than 7/8", we suggest ordering mini clamps

Number Outside Diameter
Range
Price & Quantity
#06 3/8" - 7/8" $1.67
#08 7/16" - 1" $1.74
#10 1/2" - 1 1/16" $1.81
#12 1/2" - 1 1/4" $1.88
#16 11/16" - 1 1/2" $1.95
#20 3/4" - 1 3/4" $2.02
#24 1" - 2" $2.06
#28 1 1/4" - 2 1/4" $2.10
#32 1 1/2" - 2 1/2" $2.14
#36 1 3/4" - 2 3/4" $2.20
#40 1 1/8" - 3" $2.24
Number Outside Diameter
Range
Price & Quantity
#44 2 1/4" - 3 1/4" $2.27
#48 1 5/8" - 3 1/2" $2.41
#52 1 7/8" - 3 3/4" $2.77
#56 2 1/8" - 4" $2.81
#64 2 1/2" - 4 1/2" $2.98
#72 3" - 5" $3.12
#80 3 1/2" - 5 1/2" $3.58
#88 4" - 6" $3.99
#96 4 1/2" - 6 1/2" $4.27
#104 5" - 7" $4.61

Sizes shown are for the OUTSIDE DIAMETER of the tubing/fitting

Order 10, 50, 100 or more of the same size for additional savings!
Pricing discounts will show up in your shopping cart.

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ALL Stainless Steel "Mini" Hose Clamps

Marine Grade construction - 410 stainless steel 1/4" slotted hex screw & 301 stainless steel 5/16" wide band and housing

Number Outside Diameter
Range
Price & Quantity
#M04 7/32" - 5/8" $2.08
#M05 7/16" - 11/16" $2.17
#M06 5/16" - 7/8" $2.22
#M08 7/16" - 1" $2.29
Mini Clamp 7/16" - 1"
NOT stainless steel
$1.39
Limited to Stock
#M10 1/2" - 1 1/16" $2.38
#M12 9/16" - 1 1/4" $2.43
#M16 13/16" - 1 1/2" $2.45
#M20 7/8" - 1 3/4" $2.47

Sizes shown are for the OUTSIDE DIAMETER of the tubing/fitting
You may want to use two mini clamps next to each other when clamping onto long barbed fittings

Order 10, 50, 100 or more of the same size for additional savings!
Pricing discounts will show up in your shopping cart.

Mini 16 Piece Set
Includes 2 each of #M04, #M06, #M10, #M12 and 4 each of #M16, #M20

16 piece set of mini clamps
16 Piece 'Mini" Hose Clamp Set = $19.67


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Snap-Lock Stainless Steel Hose Clamps

snap lock hose clamps stainless steel image

Number Outside Diameter
Range
Price & Quantity
#57475 5" $2.94
#574104 7" $3.69

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Hose Clamps Related Items



Frequently Asked Questions

Q. "How do I determine the overall lengths of the hose clamps you offer?"
A. Take the largest diameter shown for a given clamp and multiply times pi (3.14) to get an approximate length.

Q. "You say these are marine grade, so I can use them underwater on my boat, right?"
A. These are top quality, all stainless steel hose clamps perfect for corrosive applications exactly like underwater on a boat. Just remember, however, that underwater on a boat you'll always want to double clamp (use two clamps) and make sure both clamps are solidly over hose and the shaft underneath.

Q. "You mention that these are worm gear hose clamps. What and how does a worm gear work?"
A. Worm gear clamps consist of a threaded rod, a housing and a band.

Worm gear clamp example 1
The threaded rod is in fact a slotted hex screw. The threaded rod portion of the hex screw is encased inside the housing while the slotted hex screw is allowed to be accessed outside of the housing. The housing with the threaded hex screw surrounds one end of the band and is made to be intertwined into the band. The slotted hex screw turns freely inside the housing and the housing is made with an opening with just enough room to allow the other end of the band to be slid inside of it forming a circle. The length of the band is made to have precision cut slits that will align with the slotted hex screw as the band slides through the bottom of the housing and engages with the band slits. As the screw is turned clockwise it forces the band slits to move through the housing and begin to tighten the band. Subsequently, if the screw is turned counterclockwise it will loosen the band.

Worm gear clamp example 2

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