Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Specialty Fasteners › Medical, Dental & Orthopedic Fasteners

Customized Medical 303 Knurled Control Knob Nut Cap

Updated 2026-11-04 · Markdown version

Model no. ZLD-J-1405

US$0.361,000–9,999 pieces

US$0.2410,000–99,999 pieces

US$0.12100,000+ pieces

MOQ 1,000 pieces · Final price confirmed in your quote

Standard: ASTM, GOST, GB, JIS, ANSI, BS
Customized: Customized
Material: Metal
Other Material: Stainless Steel, Brass, Aluminum, Bronze, Copper
Surface Treatment: Anodizing, Plated, Sandblasted, Passivation
Color: Yellow, Red, Silver, Gold, Blue, Black, Natural
Tolerance: +-0.01mm/Custom
Surface Roughness: Ra0.8

Get a quote WhatsApp

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

Condition	New
Certification	CE, RoHS, GS, ISO9001, IATF16949
Standard	ASTM, GOST, GB, JIS, ANSI, BS
Model NO.	ZLD-J-1405
Customized	Customized
Material	Metal
Application	Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery
Other Material	Stainless Steel, Brass, Aluminum, Bronze, Copper
Certificate	IATF16949, ISO9001:2008, RoHS, SGS, BV
OEM/ODM	OEM ODM CNC Tuning Milling Machining Service
Surface Treatment	Anodizing, Plated, Sandblasted, Passivation
Technology	Machining/Turning/Broching/Drilling
Color	Yellow, Red, Silver, Gold, Blue, Black, Natural
Tolerance	+-0.01mm/Custom
Surface Roughness	Ra0.8
Micro Machining	Yes
Equipment	6-Axis Machining Center, Tsugami, CNC Lathe, etc
Leading Time	10-20 Working Days
Delivery	FedEx, DHL, UPS, TNT or Custom
MOQ	1000
Quality Control	100% Inspection Berore Shipment
Transport Package	PE Bag + Carton + Box
Specification	NON-STANDARD
Origin	Xiamen, Fujian Province, China
Production Capacity	10000000
Aluminum	6061, 6063, 6082, 7075, 5052, A380 etc.
Stainless Steel	SS201, SS301, SS303, SS304, (SS304 FOOD GRADE), SS316,SS316L,SUS430, SS416
Steel	Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.
Brass	HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.
Titanium	TC4 (TiAl6v4, Gradef5)
Plastic	ABS, PC, PE, POM, Delrin, Nylon, plastic, PP,PEI, Peek etc.
ISO 9001	2015
IATF 16949	2016
Roundness & Concentricity	+/- 0.005mm
Flatness/Parallelism	0.005mm
Perpendicularity	0.005mm
General Tolerance	0.001mm
Category	Medical, Dental & Orthopedic Fasteners

Technical parameters

Item	Description
Design/Size	According to customer's drawing or sample
Material	Aluminum:6061, 6063, 6082, 7075, 5052, A380 etc.Stainless Steel:SS201, SS301, SS303, SS304, (SS304 FOOD GRADE), SS316,SS316L,SUS430, SS416 Steel: Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc.Alloy steel (15Cr,20Cr,42CrMo) and other etc.Brass:HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc.Copper,Bronze,Red copper,etc.Titanium: TC4 (TiAl6v4, Gradef5)Plastic:ABS, PC, PE, POM, D
Process	CNC machining, Turning, Milling, Stamping,Lathing, Cutting, etc.
Leadtime	3-7 working days for samples generally, mass production as per detail qty after samples approval.
Surface Treatment	Clear Anodized,Color Anodized,Chemical Film, Brushing, Passivating, Polishing, Chroming,Sandblasting, Laser engraving,Zinc plating,Oxide black,Nickel plating,Chrome plating,Carburized,Heat treatment,Painting
Test Equipment	Coordinate Measuring Machine(CMM), 2D Measurement instrument,Projector,Altimeter,Micrometer,Thread Gages,Hardness Tester, Calipers, Pin Gauge,Salt Spray Test Machine,Concentricity Measuring InstrumentConcentricity Measuring Instrument,Spectrometer.
Quality Management System	ISO 9001:2015IATF 16949:2016CHINA CLASSIFICATION CERTIFICATION
Application	Auto parts,machinery parts,computer parts,medical parts,home appliances parts,electrical equipment parts,electrical appliances parts,electronic products parts,electronic parts,generator parts,alternator parts,dynamo parts,electric generator parts,stationery,power switches,miniature switches, architecture, commodity and A/V equipment.
File Format	Solidworks,Pro/Engineer,CAD,PDF,JPG,DXF,IGS
Packing	Inner-Plastic bag,Outer -Standard Carton Box,or according to customers' requirements
Shipping	By sea, by air, International Express(DHL,FedEx,TNT,UPS).
Service	Warm and quick response service by the professional foreign trade team.Size inspection report/Raw material certification/Surface treatment report/Engineering drawingRoHS report/Salt spray test report/Hardness test reort

Description

Customized Medical 303 Knurled Control Knob Nut Cap is part of our medical, dental & orthopedic fasteners range (Specialty Fasteners).

Key details

Standard: ASTM, GOST, GB, JIS, ANSI, BS
Material: Metal
Surface Treatment: Anodizing, Plated, Sandblasted, Passivation
Certification: CE, RoHS, GS, ISO9001, IATF16949
Condition: New
Other Material: Stainless Steel, Brass, Aluminum, Bronze, Copper
Certificate: IATF16949, ISO9001:2008, RoHS, SGS, BV
OEM/ODM: OEM ODM CNC Tuning Milling Machining Service

Available configurations include standard, customized, material, other material and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.12 – 0.36 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 Customized Medical 303 Knurled Control Knob Nut Cap?

The listed minimum order is 1,000 pieces, at US$0.12 – 0.36 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.36 for 1,000–9,999 pieces; US$0.24 for 10,000–99,999 pieces; US$0.12 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Customized Medical 303 Knurled Control Knob Nut Cap?

Standard: ASTM, GOST, GB, JIS, ANSI, BS; Material: Metal; Surface Treatment: Anodizing, Plated, Sandblasted, Passivation; Certification: CE, RoHS, GS, ISO9001, IATF16949; Condition: New; Other Material: Stainless Steel, Brass, Aluminum, Bronze, Copper. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include standard, customized, material, other material and surface treatment. 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 medical, dental & orthopedic fasteners are available?

The Medical, Dental & Orthopedic Fasteners category lists 1,068 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/specialty-fasteners/medical-dental-orthopedic-fasteners/

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

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.12 – 0.36MOQ 1,000 piecesGet a quote WA