Bargain PostboxSearch
WORKPRO Grease Gun Coupler 114156, 10,000 PSI, 1/8-inch NPT1 / 7
Product guide

WORKPRO Grease Gun Coupler 114156, 10,000 PSI, 1/8-inch NPT

WORKPRO 114156 is a quick-release grease gun coupler listed for 1/8-inch NPT grease guns and rated by the manufacturer at 10,000 PSI. Its six-jaw lock and one-hand release are aimed at users who want to attach and remove a coupler without holding it in place throughout lubrication. Customer feedback is positive about functionality for some hand-operated models, but reports on durability and grease tightness are mixed or negative.

At a glance

  • The listing describes a six-jaw locking connection and a quick-release mechanism intended for one-hand operation.
  • The stated 1/8-inch NPT fit is intended for standard grease guns, including manual, pneumatic, electric and mini models.
  • The coupler is made from nickel-plated alloy steel, according to the listing.
Price
£9.86Save 24%

Reference price: £12.98

Price checked: 12 Nov 2026

View offer

Often bought together

Pros and cons

Pros

  • The quick-release design is intended to make removal easier after locking onto a grease nipple.
  • The listing identifies compatibility with standard 1/8-inch NPT connections across several grease gun types.

Technical specifications

12 specifications
Identity
Brand/manufacturerHang Zhou Great Star Industrial Co.,LTD
Model114156
Connection and operation
Thread1/8" NPT
Pressure rating10000 PSI
Locking design6-jaw lock
ReleaseQuick release
Dimensions and installation
Dimensions listed1.4 x 1.4 x 9 cm; 120 g
Weight listed120 g
Materials and protection
Material listedNickel-plated Alloy Steel
Coloursilver blue
Pack details
Size1PC
Item package quantity1

What to know before buying

Listing details to confirm

The listing states a 10,000 PSI pressure rating and describes pressure testing, but these are manufacturer claims rather than independently verified performance. Customer feedback includes reports of weak grease retention and limited durability, so buyers relying on a secure connection should weigh those concerns.

What’s in the box

Included
  • Grease Gun Coupler

Who is it for?

A good fit for

  • Owners of a compatible 1/8-inch NPT grease gun seeking a quick-release coupler for vehicle, farm or workshop lubrication.
  • Users who prefer a locking attachment for grease nipples and want to operate the release with one hand.

Less suited to

  • Buyers who need a bundled grease gun, hose or additional adapters. The listed package is one coupler.
  • Users who require independently verified pressure performance or consistently reported long-term durability.
WORKPRO Grease Gun Coupler 114156, 10,000 PSI, 1/8-inch NPT · photo 2
Additional product photo 2

Customer reviews on Amazon

3.9 / 5 · 152 ratings
  • 5 stars60%60%
  • 4 stars11%11%
  • 3 stars8%8%
  • 2 stars5%5%
  • 1 star16%16%

Customer feedback highlights that the coupler works well for some users, particularly with hand-operated grease guns, and some describe its build positively. Other feedback raises concerns about durability and grease tightness, including a report that it can pop off under pressure. Value opinions are divided. These reports matter for buyers relying on a secure connection during lubrication, especially since the listing's pressure rating and sealing claims do not establish how it performs in use.

Positive themes

  • Some customers say it works well, particularly with hand-operated grease guns, and describe it as well made.

Negative themes

  • Feedback includes concerns about durability and reports that the coupler may not stay attached under pressure.

Mixed feedback

  • Opinions on value for money are divided.

Frequently asked questions

Will this fit every grease gun?

The listing specifies standard 1/8-inch NPT grease guns, including manual, pneumatic, electric and mini models. Confirm your gun uses that thread before buying.

What pressure rating is stated?

The manufacturer lists a 10,000 PSI rating and says the coupler was pressure-tested to that level. The claim has not been independently verified here.

What comes in the package?

The listed included component is one grease gun coupler. A grease gun, hose or extra adapter is not listed.

WORKPRO Grease Gun Coupler 114156, 10,000 PSI, 1/8-inch NPT · photo 3
Additional product photo 3

Alternative options

Product details in Markdown