Core Features of Knurled Cap Head Hex Socket Bolt

Knurled cap head: Diamond-patterned knurling on the head surface enhances friction, enabling manual tightening/loosening without tools for quick adjustments
Hexagon socket design: Supports high-torque transmission with standard Allen keys, suitable for precise fastening in confined spaces
Cylindrical head with knurling: Combines aesthetic appearance with practicality, preventing slippage during manual operation while maintaining a low-profile finish
Excellent mechanical properties: High load-bearing capacity, shear strength, and corrosion resistance (via surface treatments like zinc plating or stainless steel material)

Product Parameter (Specification)

Standard	DIN,ASTM/ANSI, JIS, EN, ISO,AS	Material	Carbon steel, Stainless Steel, Aluminum,Brass
Surface Treatment	Zinc Plated, Hop Dip Galvanized(HDG) phosphorization, Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated	Shank	Full thread, Half thread
Grade	4.8,5.8,6.8,8.8, 10.9, 12.9,B7,B7M,B8,B8M,304,316,A2,A4	Size	M3-M64
Unite	Piece,KGS,TON	Packing	Bulk cartons with pallet, small boxes in cartons with pallet

Product Application

Knurled Cap Head Hex Socket Bolt is widely used in heavy Industry, mining, water treatment, healthcare, retail industry, general industry, Oil & Gas, automotive industry, solar system mounting etc.

Knurled Cap Head Hex Socket Bolt Application Scenario Table

Application Field	Specific Application Scenario	Recommended Standards & Grades	Key Considerations
1. Household Use	1. Assembly of adjustable furniture 2. Fixing of frequently disassembled household items 3. Installation of kitchen/bathroom accessories 4. DIY projects 5. Mounting of small home appliances	– Standards: ISO 4762 + knurled cap design; DIN 912 – Grades: Carbon steel Grade 4.6/5.6; Stainless steel A2-70	– Knurl core advantage: Raised knurls on the cap provide non-slip grip for manual tightening/loosening, eliminating the need for tools in simple adjustments.
2. Construction Engineering	1. Fixing of temporary construction components 2. Installation of adjustable building hardware 3. Fastening of lightweight decorative elements 4. Mounting of construction auxiliary tools 5. Connection of modular partition parts	– Standards: ISO 4762 + knurled cap; ASTM F835 ; DIN 912 Grade 8.8	– Construction efficiency: Knurls allow workers to quickly tighten/loosen bolts by hand (no need to carry hex keys for minor adjustments), saving time on-site.
3. Light Industrial Equipment	1. Assembly of adjustable tool parts 2. Fixing of modular machine components 3. Installation of equipment access panels 4. Fastening of portable tool accessories 5. Mounting of lightweight mechanical parts	– Standards: ISO 4762 + knurled cap; DIN 912 Grade 8.8 (high-strength); ASTM F835	– Operational flexibility: Knurls enable operators to adjust components without stopping production (e.g., conveyor width tweaks), improving efficiency.
4. Electronic & Smart Devices	1. Mounting of adjustable smart device stands 2. Fixing of detachable electronic covers 3. Installation of small sensor mounts 4. Fastening of modular tech accessories 5. Mounting of lightweight LED fixtures	– Standards: ISO 4762 + knurled cap; ASTM F835 ; DIN 912 Grade 5.6	– User-friendliness: Knurls let consumers adjust devices by hand (no tools needed—ideal for home/office use).

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Hex socket cap screw for mechanical assembly and fastening.

Knurled Cap Head Hex Socket Bolt

Complies with international standards such as ISO 4762 (modified) and DIN 912 (knurled variant)
Integrates a knurled cylindrical headand hexagon socket design, available in full-thread or half-thread configurations
Common materials include carbon steel (e.g., 45#), stainless steel (e.g., 304, 316), and alloy steel (e.g., 42CrMo)
Strength grades range from 4.8 to 12.9
with high-strength variants undergoing heat treatment

Category: Hexagon Socket Screws

Description

Standard	DIN,ASTM/ANSI, JIS, EN, ISO,AS	Material	Carbon steel, Stainless Steel, Aluminum,Brass
Surface Treatment	Zinc Plated, Hop Dip Galvanized(HDG) phosphorization, Black Oxide,Geomet,Dacroment,Nickel plated,Zinc-Nickel plated	Shank	Full thread, Half thread
Grade	4.8,5.8,6.8,8.8, 10.9, 12.9,B7,B7M,B8,B8M,304,316,A2,A4	Size	M3-M64
Unite	Piece,KGS,TON	Packing	Bulk cartons with pallet, small boxes in cartons with pallet

Application Field	Specific Application Scenario	Recommended Standards & Grades	Key Considerations
1. Household Use	1. Assembly of adjustable furniture 2. Fixing of frequently disassembled household items 3. Installation of kitchen/bathroom accessories 4. DIY projects 5. Mounting of small home appliances	– Standards: ISO 4762 + knurled cap design; DIN 912 – Grades: Carbon steel Grade 4.6/5.6; Stainless steel A2-70	– Knurl core advantage: Raised knurls on the cap provide non-slip grip for manual tightening/loosening, eliminating the need for tools in simple adjustments.
2. Construction Engineering	1. Fixing of temporary construction components 2. Installation of adjustable building hardware 3. Fastening of lightweight decorative elements 4. Mounting of construction auxiliary tools 5. Connection of modular partition parts	– Standards: ISO 4762 + knurled cap; ASTM F835 ; DIN 912 Grade 8.8	– Construction efficiency: Knurls allow workers to quickly tighten/loosen bolts by hand (no need to carry hex keys for minor adjustments), saving time on-site.
3. Light Industrial Equipment	1. Assembly of adjustable tool parts 2. Fixing of modular machine components 3. Installation of equipment access panels 4. Fastening of portable tool accessories 5. Mounting of lightweight mechanical parts	– Standards: ISO 4762 + knurled cap; DIN 912 Grade 8.8 (high-strength); ASTM F835	– Operational flexibility: Knurls enable operators to adjust components without stopping production (e.g., conveyor width tweaks), improving efficiency.
4. Electronic & Smart Devices	1. Mounting of adjustable smart device stands 2. Fixing of detachable electronic covers 3. Installation of small sensor mounts 4. Fastening of modular tech accessories 5. Mounting of lightweight LED fixtures	– Standards: ISO 4762 + knurled cap; ASTM F835 ; DIN 912 Grade 5.6	– User-friendliness: Knurls let consumers adjust devices by hand (no tools needed—ideal for home/office use).

Knurled Cap Head Hex Socket Bolt

Knurled Cap Head Hex Socket Bolt Application Scenario Table

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