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Bolts › Hex-Head Bolts

Smooth Surface Hex PVC Bolt Cap for Construction Engineering

Updated 2026-11-04 · Markdown version

Model no. Hex Nut Cap

US$0.12 / piece

MOQ 1 piece · Final price confirmed in your quote

Material: PVC
Inner Hex Width: 0.354-1.260 Inches
Max Inner Length: 0.236 - 1.496 Inches
Inner Diameter: 0.228 - 0.846 Inches
Length: 0.984 - 0.748 Inches
Head Code: Hexagon
Material is Eco-Friendly & Compliant: Our materials are environmentally friendly and certified with RoHS, REACH, and California Prop 65, ensuring your products meet global regulatory requirements.
Color-Coded Safety: We offer Red/Blue/Yellow vinyl caps to help technicians easily identify

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Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Model NO.	Hex Nut Cap
Shape	Equal
Material	PVC
Certification	ISO, ANSI, DIN, JIS, ASME
Special Function	High Voltage, Anti Corrosion, Good Elasticity, Low Value Steel
Application	Dustproof, Sealed, Display
Product Name	Nut Cover
Keywords	Bolt Protective Cap
Feature	The Material Is Soft, Elastic
Inner Hex Width	0.354-1.260 Inches
Max Inner Length	0.236 - 1.496 Inches
Inner Diameter	0.228 - 0.846 Inches
Length	0.984 - 0.748 Inches
Transport Package	International Standards
Specification	Standard Specifications or Customized
Origin	Zhejiang, China
Production Capacity	100 Million+/Year
Customization	Available
Head Code	Hexagon
Connection	Female
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Chemical Stability	Our Hex protective caps last for years out in the environment because of their durability and UV resistance. Our caps are also excellent in terms of resistance to weathering, oxidation, and common industrial oils/greases.
Flexible Insulation	Our Hex Vinyl Caps are crafted from premium PVC resin with inherent dielectric properties. Designed to provide a reliable barrier against electrical conductivity, they are the ideal choice for insulating hexagonal terminals, busbars, and battery connections.
Material is Eco-Friendly & Compliant	Our materials are environmentally friendly and certified with RoHS, REACH, and California Prop 65, ensuring your products meet global regulatory requirements.
Color-Coded Safety	We offer Red/Blue/Yellow vinyl caps to help technicians easily identify
Custom Logo Printing on caps	We provide printing services for text, logos, and patterns on PVC dipping caps to meet your branding needs.
Custom Molding Service	Custom dipping molds start at US$100 for a sample tool and 5 samples, and our average production tool cost is US$300.
Category	Hex-Head Bolts

Technical parameters

To Fit Bolt Head A	Inner Hex Width	Max Inner Length	Inner Diameter	Length
“W”	“L1”	“D"	“L2"
inches	mm	inches	mm	inches	mm	inches	mm
M6	0.354	9	0.236	6	0.228	5.8	0.984	25
M8	0.512	13	0.354	9	0.307	7.8	0.984	25
M10	0.669	17	0.433	11	0.374	9.5	0.591	15
M10	0.669	17	2.165	55	0.394	10	1.181	30
M10	0.669	17	2.362	60	0.374	9.5	0.591	15
M12	0.748	19	0.472	12	0.453	11.5	0.591	15
M12	0.748	19	2.362	60	0.453	11.5	0.591	15
M14-P	0.787	20	2.362	60	0.472	12	0.591	15
M14	0.866	22	0.591	15	0.531	13.5	0.591	15
M14	0.866	22	0.591	15	0.531	13.5	0.787	20
M14	0.866	22	2.953	75	0.531	13.5	0.591	15
M14	0.866	22	2.953	75	0.531	13.5	0.787	20
M16	0.945	24	0.591	15	0.610	15.5	0.591	15
M16	0.945	24	0.591	15	0.610	15.5	1.575	40
M16	0.945	24	2.362	60	0.630	16	0.591	15
M16	0.945	24	3.150	80	0.630	16	1.575	40
M18	1.063	27	0.693	17.6	0.689	17.5	0.591	15
M18	1.063	27	2.362	60	0.689	17.5	0.591	15
M18	1.063	27	2.362	60	0.689	17.5	3.150	80
M18	1.063	27	2.559	65	0.689	17.5	0.591	15
M20	1.181	30	2.165	55	0.787	20	0.787	20
M20	1.181	30	0.669	17	0.787	20	0.394	10
M20	1.181	30	0.669	17	0.787	20	0.787	20
M20	1.181	30	0.669	17	0.787	20	1.181	30
M20	1.181	30	0.709	18	0.768	19.5	0.591	15
M20	1.181	30	2.362	60	0.787	20	1.969	50
M20	1.181	30	2.559	65	0.787	20	4.331	110
M22	1.260	32	0.748	19	0.846	21.5	0.984	25
M22	1.260	32	1.496	38	0.846	21.5	0.748	19

M22	1.260	32	2.559	65	0.866	22	0.787	20
M24	1.417	36	0.984	25	0.937	23.8	3.543	90
M24	1.417	36	0.984	25	0.945	24	0.591	15
M24	1.417	36	0.984	25	0.945	24	0.984	25
M24	1.417	36	0.984	25	0.945	24	1.181	30
M24	1.417	36	0.984	25	0.945	24	1.299	33
M24	1.417	36	0.984	25	0.945	24	1.575	40
M24	1.417	36	0.984	25	0.945	24	2.362	60
M24	1.417	36	2.362	60	0.945	24	2.362	60
M24	1.417	36	1.378	35	0.945	24	2.362	60
M24	1.417	36	1.969	50	0.945	24	0.787	20
M24	1.417	36	2.165	55	0.945	24	0.591	15
M27-P	1.575	40	3.150	80	0.945	24	1.181	30
M27	1.614	41	0.984	25	1.063	27	0.984	25
M27	1.614	41	0.984	25	1.043	26.5	1.181	30
M27	1.614	41	0.984	25	1.043	26.5	1.969	50
M27	1.614	41	0.984	25	1.043	26.5	2.362	60
M27	1.614	41	0.984	25	1.043	26.5	5.118	130
M27	1.614	41	2.362	60	1.063	27	0.787	20
M30	1.811	46	0.984	25	1.181	30	0.591	15
M30	1.811	46	0.984	25	1.181	30	0.984	25
M30	1.811	46	0.984	25	1.181	30	1.378	35
M30	1.811	46	0.984	25	1.181	30	1.575	40
M30	1.811	46	0.984	25	1.181	30	1.772	45
M30	1.811	46	2.953	75	1.181	30	5.906	150
M30	1.811	46	2.756	70	1.181	30	2.559	65
M30	1.890	48	4.331	110	1.181	30	2.205	56
M30+P	1.929	49	3.543	90	1.181	30	1.181	30
M33	1.890	48	1.772	45	1.299	33	0.984	25
M33	1.969	50	0.984	25	1.299	33	1.181	30
M33	1.969	50	0.984	25	1.299	33	1.575	40
M33	1.969	50	0.984	25	1.299	33	3.543	90
M33	1.969	50	0.984	25	1.299	33	5.512	140
M36	2.165	55	1.417	36	1.378	35	0.787	20
M36	2.165	55	1.417	36	1.378	35	0.472	12
M36	2.165	55	1.417	36	1.378	35	1.457	37
M36	2.165	55	1.417	36	1.378	35	3.228	82
M36	2.165	55	1.417	36	1.378	35	5.197	132
M36	2.165	55	3.543	90	1.299	33	1.181	30
M36	2.165	55	1.260	32	1.417	36	0.787	20
M36	2.165	55	1.260	32	1.417	36	1.378	35
M36	2.165	55	1.260	32	1.417	36	1.575	40
M36	2.165	55	1.260	32	1.417	36	1.850	47
M36	2.205	56	3.150	80	1.417	36	0.787	20
M39	2.244	57	2.165	55	1.496	38	0.984	25
M39	2.323	59	1.299	33	1.496	38	0.787	20
M39	2.362	60	1.378	35	1.535	39	1.772	45
M39	2.362	60	1.378	35	1.535	39	6.890	175
M42	2.520	64	2.756	70	1.654	42	1.181	30
M42	2.480	63	3.740	95	1.535	39	1.181	30

M42	2.559	65	1.772	45	1.654	42	1.181	30
M42	2.559	65	3.346	85	1.654	42	1.417	36
M44	2.717	69	3.150	80	1.732	44	1.024	26
M44	2.717	69	3.543	90	1.772	45	1.181	30
M44	2.756	70	3.031	77	1.732	44	0.787	20
M48	2.874	73	3.465	88	1.890	48	1.417	36
M52	3.150	80	1.772	45	2.047	52	1.378	35
M52	3.150	80	3.937	100	2.047	52	1.181	30
M56	3.268	83	3.937	100	2.205	56	1.181	30
M56	3.661	93	4.134	105	2.197	55.8	0.709	18
M68	4.291	109	4.724	120	2.669	67.8	2.669	67.8
M72	4.528	115	5.118	130	2.827	71.8	2.827	71.8

Description

Smooth Surface Hex PVC Bolt Cap for Construction Engineering is part of our hex-head bolts range (Bolts).

Key details

Material: PVC
Length: 0.984 – 0.748 Inches
Connection: Female
Application: Dustproof, Sealed, Display
Certification: ISO, ANSI, DIN, JIS, ASME
Shape: Equal
Product Name: Nut Cover
Keywords: Bolt Protective Cap

Available configurations include material, inner hex width, max inner length, inner diameter and length. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 piece at US$0.12 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Smooth Surface Hex PVC Bolt Cap for Construction Engineering?

The listed minimum order is 1 piece, at US$0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Smooth Surface Hex PVC Bolt Cap for Construction Engineering?

Material: PVC; Length: 0.984 - 0.748 Inches; Connection: Female; Application: Dustproof, Sealed, Display; Certification: ISO, ANSI, DIN, JIS, ASME; Shape: Equal. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, inner hex width, max inner length, inner diameter and length. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other hex-head bolts are available?

The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

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