Cable tie buyer guide · mm and inch conversion

Cable Tie Sizes Chart in mm & Inches

Quick answer: Measure the largest outside diameter of the finished bundle, then choose a cable tie whose usable bundle range includes that measurement. Confirm the tie length, strap width, minimum loop tensile strength, head clearance, material and installation environment before ordering; nominal length alone does not determine fit or strength.

Haitai in-house tensile testing machine used for cable tie verification
Haitai in-house tensile testing equipment. Test method and result must match the requested SKU.
Selection rule

How should a buyer choose a cable tie size?

Start with bundle diameter, not the inch name printed on a bag. A tie also needs enough usable strap for the locking head and installation tail, while width, thickness, material and head geometry determine whether it fits the space and reaches the required strength.

1. Measure

Measure the finished bundle at its widest point, including sleeves and protective layers.

2. Shortlist

Select a published bundle range that covers the real minimum and maximum bundle diameter.

3. Verify

Check current drawing, tensile test basis, material, temperature and packaging for the exact model.

Metric and inch reference

Metric and inch cable tie length chart

Use millimeters on drawings and purchase orders because inch names are usually rounded descriptions. The conversion is inches = millimeters ÷ 25.4; the table shows rounded results and common market names, not a complete list of available SKUs. For example, 1,200 mm equals about 47.2 inches, while exactly 48 inches equals 1,219.2 mm.

Metric lengthCalculated inchesCommon descriptionBuyer note
80 mm3.1 in3-inch / mini tieFine wire and compact routing
100 mm3.9 in4-inch tieSmall bundles
120 mm4.7 in5-inch tieCheck exact millimeter length
150 mm5.9 in6-inch tieSmall appliance or panel bundles
180 mm7.1 in7-inch tieCompact harness routing
200 mm7.9 in8-inch tieCommon general-purpose length
250 mm9.8 in10-inch tieMedium bundle reach
300 mm11.8 in12-inch tieCompare multiple width families
350 mm13.8 in14-inch tieConfirm maximum bundle diameter
400 mm15.7 in16-inch tieLarge bundles and longer reach
450 mm17.7 in18-inch tieCheck width and head clearance
500 mm19.7 in20-inch tieConfirm usable bundle range
600 mm23.6 in24-inch tieExtra-long applications
710 mm28.0 in28-inch tieCheck the current model drawing
740 mm29.1 in29-inch tieConfirm the selected width family
800 mm31.5 in32-inch tieLarge industrial bundles
920 mm36.2 in36-inch tieConfirm head and installation space
1,000 mm39.4 in40-inch market nameCheck exact millimeter length
1,200 mm47.2 in48-inch market nameNot exactly 48 inches; specify millimeters
Available PA66 size families

Which cable tie widths and lengths does Haitai supply?

The following eight standard self-locking PA66 families list 100 width-and-length combinations. Choose from the listed lengths rather than assuming every length between the smallest and largest is available.

LargeurListed lengths (mm)Model format / exampleCatalogue tensile ratingProduct specification
2.5 mm60, 80, 100, 120, 150, 160, 200, 260, 300, 380HTS-2.5X[length]
Example: HTS-2.5X200
80 N2.5 mm model table
3.6 mm100, 120, 140, 150, 160, 180, 200, 250, 280, 300, 350, 370, 400, 500HTS-3.6X[length]
Example: HTS-3.6X300
180 N3.6 mm model table
4.4 mm100, 120, 160, 190, 200, 250, 280, 300, 350, 370, 380, 400, 430, 450, 500HTS-4.4X[length]
Example: HTS-4.4X200
222 N4.4 mm model table
4.8 mm100, 150, 160, 200, 250, 280, 300, 350, 400, 450, 500, 550, 610, 710, 920HTS-4.8X[length]
Example: HTS-4.8X200
220 N4.8 mm model table
7.2 mm150, 200, 250, 300, 350, 370, 400, 450, 500HTS-7.2X[length]
Example: HTS-7.2X300
500 N7.2 mm model table
7.6 mm200, 250, 300, 350, 370, 400, 450, 500, 550, 600, 650, 700, 750HTS-7.6X[length]
Example: HTS-7.6X300
550 N7.6 mm model table
8.8 mm175, 300, 400, 450, 500, 600, 650, 700, 800, 830, 920, 1020, 1200, 1350, 1500HTS-8.8X[length]
Example: HTS-8.8X400
800 N8.8 mm model table
12 mm500, 550, 600, 650, 700, 750, 800, 900, 1020HTS-12X[length]
Example: HTS-12X500
1140 N12 mm model table

Sources: the linked Haitai product tables. Confirm the selected model’s usable bundle diameter, packaging and order specification; tensile ratings are not safe working loads.

Model-specific size examples

Haitai 4.8 mm nylon cable tie size chart

The following five models are listed in Haitai’s 4.8 mm standard PA66 series with a catalogue minimum loop tensile strength of 220 N. Maximum bundle diameter is a model specification; it is not calculated by dividing total tie length by pi.

ModèleWidth × lengthMaximum bundle diameterMinimum loop tensile strengthPieces per bag
HTS-4.8X1004.8 × 100 mm22 mm220 N100
HTS-4.8X2004.8 × 200 mm50 mm220 N100
HTS-4.8X3004.8 × 300 mm80 mm220 N100
HTS-4.8X5004.8 × 500 mm150 mm220 N100
HTS-4.8X9204.8 × 920 mm265 mm220 N50

Source: Haitai 4.8 mm standard cable tie product table. Check the current drawing and agreed packaging for the selected order.

Width and strength

Does a wider cable tie always have more tensile strength?

A wider tie usually belongs to a higher strength family, but width alone does not prove the result of a specific SKU. Minimum loop tensile strength must be tied to the exact model, conditioning and test method; it is not a lifting capacity or universal safe working load.

Nominal width familyCatalogue minimum loop tensile strengthCommon purchasing useProduct specification
2.5 mm80 NSmall signal wires and light bundling2.5 mm model table
3.6 mm180 NAppliance and general panel wiring3.6 mm model table
4.4 mm222 NStandard-width cable management4.4 mm model table
4.8 mm220 NGeneral industrial and larger harnesses4.8 mm model table
7.2 mm500 NHeavy-duty cable management7.2 mm model table
7.6 mm550 NHeavy-duty cable management7.6 mm model table
8.8 mm800 NExtra-heavy-duty bundles8.8 mm model table
12 mm1140 NWide-strap and large-bundle requirements12 mm model table

Values are listed in the original units of the linked Haitai series specifications. Rounded pound-force labels are not treated as exact conversions of N values; the current model specification and agreed test conditions govern each order.

Selection details

Bundle fit, installation and service conditions

Read the dimensions and bundle range separately

Cable ties, often called zip ties, are commonly specified by strap width and overall length. Overall length is not the usable bundle diameter. Verify the selected model’s bundle range, strap thickness and locking-head dimensions against its current drawing.

Check the finished assembly and installation space

Measure the completed bundle with its sleeves and protective layers in place, and allow for variation between assemblies. For an irregular bundle, check a representative assembly with the supplier. Confirm that the published bundle range covers both the smallest and largest intended bundle, with enough access and tail for the chosen installation method.

Match the material and locking design to the environment

A size that fits the bundle does not by itself establish suitability for outdoor exposure, heat, chemicals or repeated opening. Specify the actual installation and service conditions, then check the material and product evidence for the selected model. If the bundle needs to be opened repeatedly, specify that requirement when choosing the locking design.

Balance fit, cable protection and purchasing requirements

Compare strap width, locking-head clearance, cable insulation and the installation method as well as the required tensile performance. A wider or longer tie is not automatically the best fit. Include a drawing or representative sample when available, and confirm packaging details, required documents and the delivery schedule before ordering.

Manufacturer evidence

Why source cable tie sizes from Haitai?

Yueqing Haitai Plastics Manufacture Co., Ltd. manufactures nylon cable ties for distributors, OEM programs and industrial buyers. The following company-level facts describe supply experience; product performance and certificate scope are still verified by SKU.

50+export countries and regions
15 yearslongest customer relationship
200 × 40HQapproximately shipped in 2025
20+customer factory audits passed
90%2025 customer reorder rate: repeat-purchase customers ÷ all purchasing customers
≈15 × 40HQ/monthtypical monthly shipments during 2025
Confidentiality: Haitai serves large overseas retail, hardware and electrical supply chains but does not publish customer names or logos. Anonymized supporting records can be discussed during qualified procurement review.
Real facilities

How are size and strength checked?

Haitai in-house laboratory for nylon cable tie testing
Haitai in-house laboratory. Applicable equipment, method and sample scope are identified in the order review.
INVISTA Nylon Polymer bags on pallets at Haitai
Haitai raw-material storage showing INVISTA Nylon Polymer bags on pallets.
Buyer FAQ

Frequently asked cable tie size questions

What size cable tie do I need?

Measure the largest finished bundle diameter and choose a current model whose usable bundle range includes it. Then verify width, tensile strength, material, head clearance and environment.

How are cable tie sizes measured?

A description such as 4.8 × 300 mm normally means nominal strap width × overall length. Thickness, head dimensions and usable bundle diameter require the current model drawing.

Is a 12-inch cable tie stronger than an 8-inch cable tie?

Not automatically. Length determines reach, while strength also depends on width, thickness, material, head design, molding condition and test method.

How do I convert cable tie sizes from millimeters to inches?

Divide millimeters by 25.4. Use the millimeter dimension and tolerance on the purchase specification because the inch name may be rounded.

What should I send for a factory quotation?

Send bundle diameter, preferred length and width, tensile requirement, material, color, environment, quantity, packaging, destination and required documents. A sample, drawing or competitor reference can speed up model matching.

Next step

Send the bundle diameter and order requirements

Haitai can match the requested size to a current model, sample, packaging format and applicable technical documents.