Skip to main content
PetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Home Improvement
  4. /
  5. Plumbing
  6. /
  7. Pipe Fittings
  8. /
  9. Pipe Coupling
  10. /

  11. LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

  1. Home
  2. /
  4. /
  5. Pipe Coupling

LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

Shop all LDR Industries
LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

Item # 314911299

Stocked & Ready
LDR Industries LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
LDR Industries LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
$6.99
Notice:
This Item cannot be shipped to CA.
Get everything you need
LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
0.0(0)

LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

$6

.99

QuickFitting 3/4 in. Patented Slip Clip Release Tool
2.0(1)

QuickFitting 3/4 in. Patented Slip Clip Release Tool

$4

.99

LDR Industries 3/4 in. x Close Galvanized Pipe Nipple
5.0(1)

LDR Industries 3/4 in. x Close Galvanized Pipe Nipple

$3

.99

Water Source 100 PSI Pressure Gauge with 1/4 in. Lower Connection
4.6(14)

Water Source 100 PSI Pressure Gauge with 1/4 in. Lower Connection

$16

.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all LDR Industries
LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

Item # 314911299

Stocked & Ready
LDR Industries LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
LDR Industries LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
$6.99

Shopping at

Grassland (franklin) TN

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Notice:
This Item cannot be shipped to CA.
Get everything you need
LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
0.0(0)

LDR Industries 3/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

$6

.99

QuickFitting 3/4 in. Patented Slip Clip Release Tool
2.0(1)

QuickFitting 3/4 in. Patented Slip Clip Release Tool

$4

.99

LDR Industries 3/4 in. x Close Galvanized Pipe Nipple
5.0(1)

LDR Industries 3/4 in. x Close Galvanized Pipe Nipple

$3

.99

Water Source 100 PSI Pressure Gauge with 1/4 in. Lower Connection
4.6(14)

Water Source 100 PSI Pressure Gauge with 1/4 in. Lower Connection

$16

.99

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

The STZ 3/4 in. x 1/2 in. Galvanized Reducing Coupling is for connecting galvanized pipes, fittings, and nipples. The single smooth wall and durable iron construction make these plumbing fittings ideal for transporting water.Galvanized fittings are certified to NSF 61 and the lead free law

  • Nominal Diameter: 3/4 in. x 1/2 in.
  • Single smooth wall coupling
  • Durable iron construction
  • 1 Year Limited Warranty
  • Rated at maximum 300 psi at 150°F or 150 psi at 300°F
  • Galvanizing on fittings done by hot dip process, according to ASTM A153
BrandLDR Industries
Country of OriginImported
Compatible Pipe MaterialGalvanized malleable iron
Connector 1 Size0.75 in.
Connector 1 TypeFIP
Connector 2 Size0.5 in.
Connector 2 TypeFIP
FeaturesUL and FM certified
Maximum Operating Pressure300 psi
Maximum Operating Temperature300 degrees F
Minimum Operating Temperature0 degrees F
Package Quantity1
Primary ColorGray
Primary MaterialGalvanized malleable iron
Product Length1.5 in.
Product Weight0.3 lb.
Recommended FunctionWater supply
Warranty1 Year Limited Warranty
Manufacturer Part Number311 RC-3412
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. LDR Industries 3/8 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/8 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

    $5.99
  2. LDR Industries 1/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/4 in. FIP x 1/2 in. FIP STZ Galvanized Reducing Coupling

    $5.99
  3. Top Rated
    LDR Industries 3/4 in. FIP x 1 in. FIP STZ Galvanized Reducing Coupling
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    LDR Industries 3/4 in. FIP x 1 in. FIP STZ Galvanized Reducing Coupling

    $7.99
  4. LDR Industries 1 in. FIP x 1-1/4 in. FIP STZ Galvanized Reducing Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1 in. FIP x 1-1/4 in. FIP STZ Galvanized Reducing Coupling

    $9.99
  5. LDR Industries 3/4 in. FIP x 3/8 in. FIP STZ Galvanized Reducing Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. FIP x 3/8 in. FIP STZ Galvanized Reducing Coupling

    $5.19
  6. LDR Industries 1/2 in. x 1/2 in. FIP STZ Galvanized Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. x 1/2 in. FIP STZ Galvanized Coupling

    $5.99
  7. LDR Industries 3/8 in. x 3/8 in. FIP STZ Galvanized Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/8 in. x 3/8 in. FIP STZ Galvanized Coupling
  8. LDR Industries 3/4 in. x 3/4 in. FIP STZ Black Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. x 3/4 in. FIP STZ Black Coupling

    $4.99
  9. LDR Industries 1 in. x 1 in. FIP STZ Galvanized Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1 in. x 1 in. FIP STZ Galvanized Coupling

    $7.99
  10. LDR Industries 3/4 in. x 3/4 in. FIP STZ Galvanized Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. x 3/4 in. FIP STZ Galvanized Coupling

    $6.99
  11. Top Rated
    LDR Industries 1/2 in. x 1/2 in. FIP STZ Black Coupling
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 1/2 in. x 1/2 in. FIP STZ Black Coupling

    $3.49
  12. LDR Industries 1/4 in. x 1/4 in. FIP STZ Galvanized Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/4 in. x 1/4 in. FIP STZ Galvanized Coupling

    $5.99

Items You May Like

  1. LDR Industries 1 in. Iron STZ Galvanized Plug
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1 in. Iron STZ Galvanized Plug

    $6.99
  2. LDR Industries 3/4 in. CPVC Cap
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. CPVC Cap

    $1.99
  3. LDR Industries 3/4 in. CPVC Female Adapter
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. CPVC Female Adapter

    $3.49
  4. LDR Industries 1/2 in. PVC Thread Plug
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. PVC Thread Plug

    $3.29
  5. LDR Industries 1/2 in. CPVC Cap
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. CPVC Cap

    $1.99
  6. LDR Industries 1/2 in. M.I.P. x 3/4 in. Brass Heavy-Duty Boiler Hose Drain Valve
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. M.I.P. x 3/4 in. Brass Heavy-Duty Boiler Hose Drain Valve

    $14.99
  7. LDR Industries 1/2 in. x 3/8 in. STZ Black Bushing
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. x 3/8 in. STZ Black Bushing

    $4.99
  8. Top Rated
    LDR Industries 1/2 in. Iron STZ Galvanized Plug
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 1/2 in. Iron STZ Galvanized Plug

    $5.99
  9. LDR Industries 1 in. x 1 in. Compression PVC Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1 in. x 1 in. Compression PVC Coupling

    $9.99
  10. Top Rated
    LDR Industries 3/4 in. Iron STZ Galvanized Plug
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    LDR Industries 3/4 in. Iron STZ Galvanized Plug

    $5.99
  11. LDR Industries 1/2 in. Iron STZ Black Plug
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1/2 in. Iron STZ Black Plug

    $2.99
  12. 1 in. x 300 ft. PSI Polyethylene Flexible Coil Pipe, 100 PSI
    4.5 out of 5 stars with 64 reviews
    4.5 (64)

    Unbranded1 in. x 300 ft. PSI Polyethylene Flexible Coil Pipe, 100 PSI

    $199.99

Customers Also Bought

  1. Hillman #8 x 1-1/4 in. Premium 305 Stainless Steel Wood Screws, 45-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hillman #8 x 1-1/4 in. Premium 305 Stainless Steel Wood Screws, 45-Pack

    $14.99
  2. Top Rated
    LDR Industries 3/8 in. x 3/8 in. Barb/Rib Nylon Coupling
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 3/8 in. x 3/8 in. Barb/Rib Nylon Coupling

    $2.99
  3. Top Rated
    LDR Industries 3/4 in. x 3/4 in. Compression PVC Coupling
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    LDR Industries 3/4 in. x 3/4 in. Compression PVC Coupling

    $7.99
  4. Top Rated
    LDR Industries 1/2 in. x 1/2 in. CPVC Coupling
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 1/2 in. x 1/2 in. CPVC Coupling

    $1.99
  5. Top Rated
    LDR Industries 2 in. Plain End x 1-1/2 in. Plain End Flexible Coupling
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 2 in. Plain End x 1-1/2 in. Plain End Flexible Coupling

    $10.99
  6. Gripwerks 3/4 x 3/4in. Push-to-Connect Straight Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Gripwerks 3/4 x 3/4in. Push-to-Connect Straight Coupling

    $9.99
  7. Homewerks 1/2 x 1/2in. Pex Coupling
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Homewerks 1/2 x 1/2in. Pex Coupling

    $1.99
  8. QuickFitting 3/4 in. x 3/4 in. Push-to-Connect Brass Slip Repair Coupling Fitting
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    QuickFitting 3/4 in. x 3/4 in. Push-to-Connect Brass Slip Repair Coupling Fitting

    $26.99
  9. LDR Industries 1 in. STZ Galvanized Cap
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 1 in. STZ Galvanized Cap

    $6.99
  10. LDR Industries 3/4 in. x 48 in. Black Steel Pipe
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. x 48 in. Black Steel Pipe

    $15.99
  11. LDR Industries 3/4 in. x 6 in. Black Pipe Nipple
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    LDR Industries 3/4 in. x 6 in. Black Pipe Nipple

    $4.99
  12. Top Rated
    LDR Industries 1 in. PVC Male Adapter
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    LDR Industries 1 in. PVC Male Adapter

    $4.49

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.