Free shipping on orders over $100* (855) 256-8566
John Deere U16721 U16721: Hexagonal Lock Nut, 12.7 mm (1/2") — OEM replacement part
Watch Video
U16721 Genuine OEM

John Deere U16721: Hexagonal Lock Nut Hardware — 12.7 mm (1/2")

Shop all John Deere parts

$6.51
Choose your location
Delivery
Get it by Thursday, October 1
Free delivery on orders $100+*
Check fit for your equipment
Confirm this part matches your model before you buy.
  • Free & easy returns · 30 days
  • Fulfilled by Everglades Equipment Group · Certified John Deere dealer
  • Talk to a parts specialist

Part details

About this item

Details

Part number
U16721
Brand
John Deere · Genuine OEM
Category
Nuts & Washers
Type
John Deere Hardware
Condition
New · 1-year warranty
Fulfillment
Ship to home · Store pickup
Freight required
No — ships parcel
Weight
0.08 lb
Shipping & returns policy
  • Free shipping* on orders over $100 · in-stock orders typically arrive within 2-3 business days
  • Expedited shipping available at checkout
  • 30-day returns on unused items · 25% restocking fee may apply
  • Electrical & special-order items non-returnable

Description

Hexagonal Lock Nut designed to secure bolts and prevent loosening under vibration or torque || Key specifications: 22.10 mm (0.87 in) width across flats, 17.86 mm (0.7 in) thickness, type B locking, 13 threads per inch || Additional specs: 13.82 mm (0.54 in) height, 12.70 mm (1/2 in) thread size for robust performance || Made from high quality material for durability and reliability || Zinc finish for enhanced corrosion resistance and longevity
  • genuine John Deere OEM part
  • engineered to exact specifications

Verified fitment

Fits 155 models

See all 155 models

Your history

Recently viewed

$6.51

U16721

Added to Cart!

Complete Your Repair

Frequently bought together

Not sure if it fits?

Chat with our parts team

Subtotal
View Cart & Checkout
Secure
30-Day Returns
Support