Seven-hole snap buckles / model NK001

Cap adjusters, made at scale.

NAIKLE has focused on plastic buckle development and production for 30 years. Our seven-hole snap buckles are available in PE, TPE and TPU, with hundreds of custom colors, selectable flexibility, logo options and custom sizes.

Seven-hole cap strap adjusters in black, purple, navy, beige, blue, green and red
PE / TPE / TPU
HUNDREDS OF COLORS
OEM / ODM
CAP STRAP ADJUSTER / SEVEN-HOLE SNAP BUCKLE
30 yearsfocused on plastic buckles
4,000+ m²manufacturing facility
40+ machinesup to 300,000 pcs daily
3,000+ molds3,000 buckle designs

Product divisions

One factory. Multiple product worlds.

Explore specialized buckle ranges by application. Each division combines proven in-stock designs with custom materials, colors, logos and tooling.

Our core product

The small part that finishes a cap.

Seven-hole snap buckles provide a clean, adjustable back closure for caps. Choose a proven in-stock design or develop a custom color, logo and size around your brand.

NK001 seven-hole cap strap adjusters in nine custom colors
01 / NK001

Seven-hole snap buckle

A versatile cap strap adjuster with a smooth finish and flexible material choices. Non-toxic, environmentally responsible options are available; the strap can be folded without breaking, with soft or firm feel selected for the application.

MATERIALSPE / TPE / TPU
COLORHundreds available
FEELSoft or firm
CUSTOMIZATIONLogo & size
SAMPLESFree samples
IN-STOCK DISPATCHWithin 24 hours
Seven-hole adjustment buckle fitted to the back strap of a baseball cap

Application / cap closure

A clean, adjustable finish for every cap.

Seven-hole snap buckles connect directly to the fabric strap at the back of baseball caps. Color, flexibility and surface details can be matched to the cap collection.

02

Side-release buckles

Quick-release fastening for bags, sports equipment, apparel and automotive applications.

03

Webbing adjusters

Low-profile adjustment hardware for straps, gloves, bags and wearable products.

04

Cord ends & locks

Compact finishing and tension-control parts for cords, elastic and drawstrings.

OEM / ODM capability

From an in-stock buckle to a brand-specific component.

01
Color matchingChoose from hundreds of colors or develop a custom match for your cap collection.
02
Logo customizationAdd a brand mark or dedicated surface detail to the buckle design.
03
Size customizationAdapt proportions, hole layout and strap dimensions to your design requirement.
04
Mold developmentA library of more than 3,000 molds supports product matching and new-project development.
PE / TPE / TPU

Non-toxic, environmentally responsible options with flexible or firm handfeel. Designed to fold without breaking.

Recycled options

Recycled material programs are available, with GRS and TC documentation available for qualifying orders.

Factory capability

Tooling, stock and testing under one roof.

Our 4,000+ m² facility operates more than 40 production machines, with capacity up to 300,000 pieces per day and substantial inventory for fast-moving models.

NAIKLE team member working on product design at a computer
Product designFrom requirement to production-ready detail
Worker operating machinery in NAIKLE tooling workshop
In-house tooling3,000+ molds in the library
Bags of finished plastic buckle products stacked in warehouse
Stock inventoryIn-stock items dispatch within 24 hours
Tensile strength testing machine in NAIKLE quality lab
Tensile testingStrength performance verification
Impact testing instrument in NAIKLE quality lab
Impact testingImpact resistance checks
Colorimeter used to evaluate buckle color consistency
Color measurementRepeatable color control

Additional inspection capability includes salt-spray testing and buckle fatigue testing.

Verified systems & materials

Documentation that supports your supply chain.

NAIKLE maintains ISO 9001 and GRS certification, along with SGS test reports and FDA compliance documentation. Our 1688 Super Factory status is based on third-party on-site verification.

NAIKLE ISO 9001, GRS, SGS and FDA compliance documents

Quality & compliance

ISO 9001 quality management, Intertek GRS certification, SGS testing and FDA compliance documentation.

Intertek Global Recycled Standard certificate and SGS test report

Recycled material support

Recycled material options can be supported with GRS and transaction certificate documentation for qualifying programs.

Selected cooperation cases

Built for global product teams.

Company sales materials include cooperation cases with Decathlon, Disney, New Era, Diesel, O'Neill and other international brands.

Logos displayed in NAIKLE company cooperation case materials, including Decathlon, Disney, O'Neill, New Era and Diesel
Brand logos shown belong to their respective owners. NKL supplies buckles indirectly through authorized supply chains and is not directly affiliated with these brands.

Applications

Cap hardware first. Plastic buckles beyond.

Cap and hat closures are our main focus, supported by a broad buckle catalog for apparel, bags, sports, automotive and medical applications.

01 / CORE

Caps & hats

Snap closures and strap adjusters.

02

Apparel & gloves

Compact fastening components.

03

Bags & luggage

Buckles, sliders and cord parts.

04

Sports

Hardware for active-use products.

05

Automotive

Plastic fastening applications.

06

Medical

Purpose-specific plastic hardware.

A clear production path

Six steps from brief to production.

01 / CONTACT

Contact our team

Send the application, size, quantity and target country.

02 / DESIGN

Design proposal

We match a current model or prepare a custom direction.

03 / CONFIRM

Confirm solution

Review material, color, logo, dimensions and terms.

04 / SAMPLE

Sample provided

Receive the component for hands-on evaluation.

05 / APPROVE

Approve sample

Confirm the approved standard before production.

06 / PRODUCE

Place production order

We schedule manufacturing and quality checks.

Start with a sample

Tell us about your cap buckle.

Send a photo or drawing, material preference, color, estimated quantity and delivery country. Free samples are available for product evaluation.

← All product divisions

Pet hardware / side-release buckles

Secure hardware for collars, harnesses and leads.

NAIKLE manufactures POM side-release buckles for everyday pet products. Start with a proven model such as NK102, or develop a custom size, surface, color and logo for your range.

Three views of a black side-release buckle for pet collars and harnesses
PET COLLAR / HARNESS / LEAD HARDWARE
POM materialDurable engineering plastic
50+ kg pullTensile result shown in product materials
OEM / ODMSize, color, logo and tooling
Free samplesEvaluate fit and function

Pet buckle range

Compact closures. Built for repeat use.

Side-release geometry makes these buckles easy to operate while keeping collar and harness webbing securely connected. Multiple forms are available for different strap widths and product structures.

NK102 black side-release pet buckle shown assembled and separated

01 / NK102

Side-release pet buckle

A clean, low-profile closure for collars, harnesses and leads. The textured body improves handling and the integrated webbing slots support a secure sewn assembly.

POMSIDE RELEASECUSTOM COLORCUSTOM LOGO
Golden retriever wearing a woven collar secured with a black side-release buckle

Application / pet collar

Secure closure, comfortable everyday handling.

Side-release buckles join the webbing on collars, harnesses and leads. The low-profile form stays close to the pet, while the side tabs make opening and closing intuitive.

Range of black side-release buckles and webbing adjusters
Multiple sizes and formsMatch collar, harness and lead constructions
Close view of a black POM side-release buckle opened by hand
Easy side releasePositive engagement for repeat operation
Black pet hardware buckle shown assembled and separated
Product developmentCustom surface, color, logo and proportions
Clear plastic material pellets held in two hands

Material control

Material choices for your product brief.

POM is the featured choice for the pet side-release range. NAIKLE can also discuss recycled material programs and supporting GRS documentation for qualifying orders.

Start with a sample

Tell us about your pet hardware.

Send the product type, webbing width, expected pull requirement, color, quantity and delivery country. We will recommend an existing model or a custom development route.

← All product divisions

Bag & luggage hardware / molded plastic components

Reliable hardware for bags, luggage and outdoor gear.

NAIKLE supplies a broad range of molded plastic hardware, including side-release buckles, webbing adjusters, snap hooks, loops and cord parts. Choose an in-stock design or develop a custom size, color and logo.

Assorted black plastic side-release buckles for bags and luggage
BAGS / LUGGAGE / OUTDOOR GEAR
Broad catalogBuckles, hooks, loops and cord parts
POM & PAMaterial options by application
OEM / ODMSize, color, logo and tooling
Free samplesEvaluate fit and function

Bag hardware range

The right component for every strap and closure.

A coordinated component range helps product teams match webbing widths, load requirements and handling needs across backpacks, travel bags, cases and outdoor equipment.

Black side-release buckles in several sizes for bag webbing

01 / SIDE RELEASE

Side-release buckles

Fast, intuitive closures for backpacks, travel bags and equipment straps. Rounded edges, molded ribs and matched webbing slots support comfortable handling and stable assembly.

POM / PAMULTIPLE WIDTHSCUSTOM COLORCUSTOM LOGO
Outdoor backpack using black side-release buckles, webbing adjusters and strap hardware

Application / backpack hardware

A coordinated hardware system for every strap.

Backpacks and travel bags combine side-release buckles, adjusters, loops and hooks across compression straps, shoulder straps and pockets. Matching components create consistent function and finish.

Three rectangular black webbing adjusters in different sizes
Webbing adjustersLow-profile length adjustment for straps
Black rotating snap hooks for removable bag straps
Rotating snap hooksQuick attachment for removable straps
Black plastic triangular loops in a range of sizes
Loops & strap anchorsMultiple profiles for sewn assemblies
Assorted cord locks, side-release buckles, D-rings and rectangular loops

Component system

Build a coordinated hardware set.

Combine buckles, adjusters, hooks, rings and cord locks in a consistent finish and color. NAIKLE can recommend existing components or support new tooling for product-specific requirements.

Start with a sample

Tell us about your bag hardware.

Send the product type, webbing width, expected load, color, quantity and delivery country. We will recommend an in-stock component or a custom development route.