Lock Technology(shenzhen)Co., LTD.
                                                                                                           
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Since 2007
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M3x12mm Carbon Steel Knurled Thumb Screw with Cross Slotted Flat Head - 1-200mm Length Range, SGS Certified

Price Negotiable
Price: USD0.08 - USD 0.003 Each piece
MOQ: 1000pcs
Delivery Time: 5-8 work days
Brand: Lock tech
Product Description
M3x12mm Carbon Steel Thumb Screw Overview
M3 x 12mm knurled head thumb screw with cross slotted flat head design, specifically engineered for air purifier applications. Features non-slip functionality and optimized installation efficiency.
Key Product Features
• Knurled head design for enhanced grip and non-slip operation
• Cross slotted flat head configuration for standard tool compatibility
• Sharp inlet angle tail design optimizes installation efficiency
• Carbon steel construction with blue zinc surface treatment
• SGS certified by third-party testing agency
• Custom manufacturing available based on customer drawings
Technical Specifications
Specification Details
Size Range M0.8 to M14
Length Range 1mm to 200mm
Material Options Stainless Steel (SUS201, SS303, SS304, SS316, SS410, SS430), Carbon Steel (C1008, C1018, C1022, 10B21), Alloy Steel, Brass, Aluminum, Copper
Head Types Countersunk, Flat, Phillips, Pan, Truss, Round, Oval, HEX, Cheese, Cap, Binding
Surface Treatments Zinc, Plain, Polish, Black Oxide, Cadmium Plated, Zinc-aluminum Coated, Chrome Plated, Silver Plated, Anodized
Hardness Grades Carbon Steel: 4.8-12.9 grade; Stainless Steel: A2-70, A4-70, A4-80, A5-80
Manufacturing & Quality
Manufactured by Lock Tech with DIN/ISO/ANSI/GB standards compliance. Production processes include heading, threading, heating, and plating operations.
Ordering Information
Quantity Range Lead Time (Days)
1 - 10,000 pieces 10 days
10,001 - 50,000 pieces 15 days
50,001 - 100,000 pieces 20 days
Over 100,000 pieces Negotiable
Minimum Order Quantity: 1,000 pieces
Customization Services
Full OEM/ODM services available with 20+ years of experience in custom non-standard screw manufacturing. Free samples provided for existing tooling, with custom tooling available for new designs.
Product Images
M3 knurled thumb screw product photo showing detailed construction and knurled head design M3 knurled thumb screw dimensional diagram with precise measurements

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Lock Technology(shenzhen)Co., LTD.
Location B1106,GenZon Times Square Longcheng Road,LongGang Distric,Shenzhen City Guangdong
Contact Person Don

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