- Home
- Products
- Worm Drive Hose Clamps
- Worm Drive Hose Clamps
Worm Drive Hose Clamps
Product Description
- Band width: 1/2” (12.7mm)
- Band thickness: 0.024” (0.6mm)
- Hex. head screw: 5/16” (7.9mm)
- All 300 and 316 stainless steel hose clamps are superior corrosion resistance
- 3-piece construction
- Under RoHS & REACH standard
- SAE J1508 Standard
Feature

Material
YDS Part No. | Material Type | BAND | 2-PART HOUSING | SCREW |
---|---|---|---|---|
Y221 series hose clamps | 430 S.S. Band with Carbon Steel Screw | AISI 430 Stainless Steel | AISI 430 Stainless Steel | Plated Carbon Steel |
Y231 series hose clamps | Carbon Steel Screw | AISI 304 Stainless Steel | AISI 304 Stainless Steel | Plated Carbon Steel |
Y241 series hose clamps | All 300 S.S. | AISI 304 Stainless Steel | AISI 304 Stainless Steel | AISI 304 Stainless Steel |
Y251 series hose clamps | All 316 S.S. | AISI 316 Stainless Steel | AISI 316 Stainless Steel | AISI 316 Stainless Steel |
Y261 series hose clamps | 430 S.S. Screw | AISI 304 Stainless Steel | AISI 304 Stainless Steel | AISI 430 Stainless Steel |
Tightening Torque
The recommended installation torque is 4.0 Nm (35 in-lbs).
SAE SIZE | Clamp Range (Size, Diameter) | Part Number | |||||||
---|---|---|---|---|---|---|---|---|---|
Min. (inch) | Max. (inch) | Min. (mm) | Max. (mm) | 430 S.S. Band with Carbon Steel Screw | Carbon Steel Screw | All 304 S.S.(W4) | All 316 S.S.(W5) | 430 S.S. Screw | |
6 | 1/2 | 7/8 | 12 | 23 | Y221-12.7W023 | Y231-12.7W023 | Y241-12.7W023 | Y251-12.7W023 | Y261-12.7W023 |
8 | 1/2 | 1 | 13 | 25 | Y221-12.7W025 | Y231-12.7W025 | Y241-12.7W025 | Y251-12.7W025 | Y261-12.7W025 |
10 | 9/16 | 1-1/16 | 14 | 27 | Y221-12.7W027 | Y231-12.7W027 | Y241-12.7W027 | Y251-12.7W027 | Y261-12.7W027 |
12 | 11/16 | 1-1/4 | 17 | 32 | Y221-12.7W032 | Y231-12.7W032 | Y241-12.7W032 | Y251-12.7W032 | Y261-12.7W032 |
16 | 11/16 | 1-1/2 | 17 | 38 | Y221-12.7W038 | Y231-12.7W038 | Y241-12.7W038 | Y251-12.7W038 | Y261-12.7W038 |
20 | 13/16 | 1-3/4 | 21 | 44 | Y221-12.7W044 | Y231-12.7W044 | Y241-12.7W044 | Y251-12.7W044 | Y261-12.7W044 |
24 | 1 | 2 | 25 | 51 | Y221-12.7W051 | Y231-12.7W051 | Y241-12.7W051 | Y251-12.7W051 | Y261-12.7W051 |
28 | 1-1/4 | 2-1/4 | 32 | 57 | Y221-12.7W057 | Y231-12.7W057 | Y241-12.7W057 | Y251-12.7W057 | Y261-12.7W057 |
32 | 1-1/2 | 2-1/2 | 38 | 63 | Y221-12.7W063 | Y231-12.7W063 | Y241-12.7W063 | Y251-12.7W063 | Y261-12.7W063 |
36 | 1-3/4 | 2-3/4 | 44 | 70 | Y221-12.7W070 | Y231-12.7W070 | Y241-12.7W070 | Y251-12.7W070 | Y261-12.7W070 |
40 | 2 | 3 | 51 | 76 | Y221-12.7W076 | Y231-12.7W076 | Y241-12.7W076 | Y251-12.7W076 | Y261-12.7W076 |
44 | 2-1/4 | 3-1/4 | 57 | 82 | Y221-12.7W082 | Y231-12.7W082 | Y241-12.7W082 | Y251-12.7W082 | Y261-12.7W082 |
48 | 2-1/2 | 3-1/2 | 64 | 89 | Y221-12.7W089 | Y231-12.7W089 | Y241-12.7W089 | Y251-12.7W089 | Y261-12.7W089 |
52 | 2-3/4 | 3-3/4 | 70 | 95 | Y221-12.7W095 | Y231-12.7W095 | Y241-12.7W095 | Y251-12.7W095 | Y261-12.7W095 |
56 | 3 | 4 | 76 | 102 | Y221-12.7W102 | Y231-12.7W102 | Y241-12.7W102 | Y251-12.7W102 | Y261-12.7W102 |
60 | 3-1/4 | 4-1/4 | 82 | 108 | Y221-12.7W108 | Y231-12.7W108 | Y241-12.7W108 | Y251-12.7W108 | Y261-12.7W108 |
64 | 3-1/2 | 4-1/2 | 89 | 114 | Y221-12.7W114 | Y231-12.7W114 | Y241-12.7W114 | Y251-12.7W114 | Y261-12.7W114 |
68 | 3-3/4 | 4-3/4 | 95 | 121 | Y221-12.7W121 | Y231-12.7W121 | Y241-12.7W121 | Y251-12.7W121 | Y261-12.7W121 |
72 | 4 | 5 | 102 | 127 | Y221-12.7W127 | Y231-12.7W127 | Y241-12.7W127 | Y251-12.7W127 | Y261-12.7W127 |
80 | 4-1/2 | 5-1/2 | 114 | 140 | Y221-12.7W140 | Y231-12.7W140 | Y241-12.7W140 | Y251-12.7W140 | Y261-12.7W140 |
88 | 5 | 6 | 127 | 152 | Y221-12.7W152 | Y231-12.7W152 | Y241-12.7W152 | Y251-12.7W152 | Y261-12.7W152 |
96 | 5-1/2 | 6-1/2 | 140 | 165 | Y221-12.7W165 | Y231-12.7W165 | Y241-12.7W165 | Y251-12.7W165 | Y261-12.7W165 |
Packaging
YDS worm drive hose clamps are available in bulk packaging, pack of 10, blister card packaging, polybag packaging, tag packaging, and customer designed packaging.
- * NO logo and brand on our regular boxes
- * We can provide customer barcode and private label for all packaging
- * Customer designed packaging are available on request

Bulk packaging: 100 clamps per box for small sizes, 50 clamps per box for large sizes, then shipped in cartons.
Pack of 10: 10 clamps per box, then shipped in cartons.

Blister card packaging: each set blister card packaging with 2 or 4 clamps.

Polybag packaging: each set polybags packaging are available in 2, 5, 10 clamps, or customer packaging.

Tag packaging: each clamp is packed with 1 private label.
Accessories
We are also provide the flexible shaft nut driver for helping your work easily.
- * The flexible shaft provide 90° curved work in hard to reach places
- * The nut driver is easier to work then the plus/minus screwdrivers
