Fast Delivery Thread Reducing Inserts Customizable Pack Color Options

• Customization: Available
• Material: Stainless Steel
• Type: Common
• Model NO.: Metric Thread Reducing Inserts
• Usage: Building, Machinery, Medical, Rocket, Shipping, Chemical
• Rotation Direction: Right Rotation
• Surface Finishing: F Colour,Zinc Plated
• Certification: ISO, CE, ISO9001 CE
• Customized: Customized
• Delivery: 20-30 Days
• Finish: Zinc Plated
• Packag Color: Customizable
• Thread Standard: Unc/Unf/Unef/Uns/Bsw/Bsf/Metric Coarse/Metric Fine
• Custom Order: Customization by Drawing/Sample
• Price Terms: Fob/CFR/CIF/DDP
• ODM/OEM: Available
• Service: Custom-Made Service
• Material Test Certificate: Have
• Sample: Provide Samples But Do Not Include Freight.
• Quality Control: 100% Quality Inspection
• Application: Connection,Fastening
• MOQ: 300kg
• Transport Package: Bulk Pack Small Boxed
• Specification: M4-M20
• Trademark: Customized
• Origin: China
• HS Code: 731815
• Production Capacity: 10000ton/Year
• Package Size: 25.00cm * 25.00cm * 19.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Metric Thread Reducing Inserts

Efficient, reliable thread repair & size conversion. Perfect industrial-grade solution for repairing worn thread holes or adapting existing holes to a smaller metric thread. Made from premium A4 (316) stainless steel for exceptional performance in harsh environments.

Our Advantage

Core Product Advantages

·Exceptional Corrosion Resistance

Material: A4 (316) Stainless Steel, EN 1.4401 / SAE 316 compliant.
UK-made marine-grade material resists saltwater, chemicals, and humidity. Ideal for marine, chemical, food processing, and pharmaceutical sectors.

· Easy Installation Design

10° Lead-in Chamfer: Ensures easy, accurate alignment and reduces installation time.
90° Countersunk Head: Allows for a near-flush surface finish, clean appearance, and prevents interference.

· Reliable Mechanical Performance

Head Stop Design: Prevents over-torque, ensuring secure installation and consistent depth.
Through-Hole Design: Allows screws to pass through, ideal for through-fastening.

· High Strength & Durability

Machined from a single stainless steel piece for integrity. High-precision threads withstand high torque and vibration, ensuring stability.

Specification

Model NO.	Metric Thread Reducing Inserts
Material	A4 (316)Stainless Steel
Internal Size	M4-M12
External	M8-M16
Finish	Zinc Plated
Delivery	15~30 days
OEM	Available
Sample	Free but not include shipping
Packaging	Small Boxed or Bulk Packaging
MOQ	300kg

Applicable

Equipment Maintenance & Repair: Fix worn, corroded, or stripped thread holes.
Product Redesign & Retrofitting: Quickly change thread specs for new components.
Production Line Modification: Adapt mounting interfaces without full panel replacement.
Industry Applications:

Marine & Offshore: Deck equipment, internal cabin thread repair.
Food Processing & Packaging: Hygienic, corrosion-resistant, frequent washdowns.
Chemical & Pharmaceutical: Resists corrosive chemicals and steam.
Outdoor & Construction: Weather-resistant for exposed structures.

Mainly Product

Company Profile

QEWITCO FASTENER CO., LTD

Founded in 2003 with UK tech; production base in Zhejiang, trade HQ in Qingdao.
Core Products: Screws, bolts, studs, nuts, washers, expansion screws, thread inserts.
Capability: $10M+ annual trade; 24/7 service; ISO9001: full traceability & 100% inspection.
Service: OEM/ODM customization; comprehensive fastener solutions worldwide.

Packaging & Shipping

Packaging

Bulk Packaging
Minimum Order Quantity (MOQ): 300 kg.
Payment: T/T (30% advance, 70% B/L), L/C at sight.
Sample Policy: Free samples (shipping by client); delivery in 15~30 days.

Our Team

FAQ

Q1: What payment methods do you accept?
A1: Payments mainly via T/T (Telegraphic Transfer).

Q2: Which shipping terms do you support?
A2: Negotiable terms: FOB, CIF, CFR, DDP, DAP.

Q3: What is your sample policy?
A3: Free samples; customers cover shipping.

Q4: Is the minimum order quantity (MOQ) adjustable?
A4: Standard MOQ is 300kg; negotiable for long-term clients or special needs.

Q5: Do you offer customization services?
A5: Custom sizes, materials, or finishes from client drawings supported.