Shopping Cart

Your cart is empty.

Your cart is empty.

Reducer Hex Coupling Nuts 1/2'-13 to 3/8'-16 x W5/8' x 1-1/4' Reducer, A563 Grade A Steel, Zinc Plated (Quantity: 25) Thread Sizes: 1/2'-13 and 3/8'-16, Across The Flats: 5/8' / Length of Nut: 1 1/4'

5.0 (1) Write Review
Free shipping on orders over $29.99

$52.99

$ 22 .99 $22.99

In Stock

About this item

  • Reducer Hex Coupling Nuts - Accommodates Two Different Thread Sizes
  • Thread Sizes: 1/2"-13 and 3/8"-16
  • Across the Flats: 5/8" / Length of Nut: 1 1/4"
  • Also referred to as Rod Couplings


A double chamfered hex nut with two different internal thread sizes at opposite ends of the nut. Used to join a larger diameter rod to a smaller diameter rod.


High Expectations
Reviewed in the United States on June 27, 2020
Quick delivery and quality product
Recommended Products
4Inch X 3Inch Copper Coupling

$16.95

$ 7 .99 $7.99

4.8
Select Option
3/8-24 Rod Coupling Nut (18 Pieces)

$17.67

$ 8 .99 $8.99

4.8
Select Option
uxcell Shaft Coupling 5mm to 8mm Bore L25xD20 Aluminum Alloy Flexible Coupler Joint for Servo Stepped Motor

$11.69

$ 5 .99 $5.99

4.5
Select Option
10pcs M4 x 0.7 x 12mm Stainless steel Long Coupling Hex Nut Connector

$12.99

$ 6 .99 $6.99

4.3
Select Option
uxcell Round Connector Nuts, M10x30mm Height Sleeve Rod bar Stud Nut Stainless Steel 304, Pack of 5

$13.67

$ 6 .99 $6.99

5.0
Select Option
8 Pack 7/16-20 X 1-1/4' Long Fine Thread Hex Coupling Nut with Zinc Plate

$9.09

$ 3 .99 $3.99

4.4
Select Option
BRCP0034-NL 3/4-Inch Brass Coupling- No Lead (Pack of 2)

$14.80

$ 6 .99 $6.99

5.0
Select Option
PATIKIL 12pcs M3 Metal Threaded Standoff Spacer Nuts, Round Aluminum Spacers Female Coupling Screws, 1/8' ID x 1/4' OD, Silver, (15mm L)

$9.39

$ 3 .99 $3.99

4.6
Select Option