M3-M8 304 Stainless Steel C-Head Thin Head Screw Hollow Exhaust Vacuum Hex Punch Through Hole Threaded Screw

Regular price $5.40 USD

Regular price ~~$5.40 USD~~ Sale price $5.40 USD

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Color classification M1.6 * 3 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 4 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 5 (hole 0.5) 10 piecesVariant sold out or unavailable M1.6 * 6 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 7 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 8 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 9 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 10 (hole 0.5) 10 piecesVariant sold out or unavailable M1.6 * 12 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 13 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 14 (hole 0.5) 10 piecesVariant sold out or unavailable M1.6 * 15 (hole 0.5) 10pcsVariant sold out or unavailable M1.6 * 16 (hole 0.5) 10pcsVariant sold out or unavailable M2 * 2 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 3 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 4 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 5 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 6 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 8 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 10 (hole 1.0) 20 piecesVariant sold out or unavailable M2 * 12 (hole 1.0) 10 piecesVariant sold out or unavailable M2 * 14 (hole 1.0) 10 piecesVariant sold out or unavailable M2 * 16 (hole 1.0) 10 piecesVariant sold out or unavailable M2 * 18 (hole 1.0) 10 piecesVariant sold out or unavailable M2 * 20 (hole 1.0) 10 piecesVariant sold out or unavailable M2.5 * 3 (50 pcs) hole 1.0Variant sold out or unavailable M2.5*4 (50 pieces) hole 1.0Variant sold out or unavailable M2.5*5 (50 pieces) hole 1.0Variant sold out or unavailable M2.5*6 (50 pcs) hole 1.0Variant sold out or unavailable M2.5*8 (50 pcs) hole 1.0Variant sold out or unavailable M2.5*10 (50 pcs) hole 1.0Variant sold out or unavailable M2.5*12 (50 pcs) hole 1.0Variant sold out or unavailable M2.5*14 (10 pcs) hole 1.0Variant sold out or unavailable M2.5*16 (10 pcs) hole 1.0Variant sold out or unavailable M2.5*18 (10 pcs) hole 1.0Variant sold out or unavailable M2.5*20 (10 pcs) hole 1.0Variant sold out or unavailable M2.5*22 (10 pcs) hole 1.0Variant sold out or unavailable M3*3 (50 holes 1.0-1.2)Variant sold out or unavailable M3*4 (50 holes 1.0-1.2)Variant sold out or unavailable M3*5 (50 holes 1.0-1.2)Variant sold out or unavailable M3*6 (50 holes 1.0-1.2)Variant sold out or unavailable M3*8 (50 holes 1.0-1.2)Variant sold out or unavailable M3*9 (50 holes 1.0-1.2)Variant sold out or unavailable M3*10 (50 holes 1.0-1.2)Variant sold out or unavailable M3*12 (50 holes 1.0-1.2)Variant sold out or unavailable M3*14 (50 holes 1.0-1.2)Variant sold out or unavailable M3*16 (50 holes 1.0-1.2)Variant sold out or unavailable M3*18 (20 holes 1.0-1.2)Variant sold out or unavailable M3*20 (20 holes 1.0-1.2)Variant sold out or unavailable M4*4 (50 pieces) hole 1.5Variant sold out or unavailable M4*5 (50 pieces) hole 1.5Variant sold out or unavailable M4*6 (50 pieces) hole 1.5Variant sold out or unavailable M4*8 (50 pieces) hole 1.5Variant sold out or unavailable M4*10 (50 pcs) hole 1.5Variant sold out or unavailable M4*12 (50 pieces) hole 1.5Variant sold out or unavailable M4*14 (50 pieces) hole 1.5Variant sold out or unavailable M4 * 16 (50pcs) hole 1.5Variant sold out or unavailable M4 * 18 (20pcs) hole 1.5Variant sold out or unavailable M4 * 20 (20pcs) hole 1.5Variant sold out or unavailable M4 * 22 (20pcs) hole 1.5Variant sold out or unavailable M4 * 25 (20pcs) hole 1.5Variant sold out or unavailable M4 * 30 (20pcs) hole 1.5Variant sold out or unavailable M4 * 35 (20pcs) hole 1.5Variant sold out or unavailable M4 * 40 (20pcs) hole 1.5Variant sold out or unavailable M5 * 5 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 6 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 8 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 10 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 12 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 14 (50 pcs) hole 1.5Variant sold out or unavailable M5 * 16 (50pcs) hole 1.5Variant sold out or unavailable M5 * 18 (20pcs) hole 1.5Variant sold out or unavailable M5 * 20 (20pcs) hole 1.5Variant sold out or unavailable M5 * 22 (20pcs) hole 1.5Variant sold out or unavailable M5 * 25 (20pcs) hole 1.5Variant sold out or unavailable M5 * 30 (20pcs) hole 1.5Variant sold out or unavailable M5 * 35 (20pcs) hole 1.5Variant sold out or unavailable M5 * 40 (20pcs) hole 1.5Variant sold out or unavailable M5 * 45 (20pcs) hole 1.5Variant sold out or unavailable M6 * 6 (50pcs) hole 2.0Variant sold out or unavailable M6 * 8 (50 pcs) hole 2.0Variant sold out or unavailable M6 * 10 (50pcs) hole 2.0Variant sold out or unavailable M6 * 12 (50pcs) hole 2.0Variant sold out or unavailable M6 * 14 (20pcs) hole 2.0Variant sold out or unavailable M6 * 16 (20pcs) hole 2.0Variant sold out or unavailable M6 * 18 (20pcs) hole 2.0Variant sold out or unavailable M6*20 (20 pieces) hole 2.0Variant sold out or unavailable M6*22 (20 pcs) hole 2.0Variant sold out or unavailable M6*25 (20 pcs) hole 2.0Variant sold out or unavailable M6*30 (20 pieces) hole 2.0Variant sold out or unavailable M6*35 (20 pcs) hole 2.0Variant sold out or unavailable M6*40 (10 pieces) hole 2.0Variant sold out or unavailable M6*45 (10 pieces) hole 2.0Variant sold out or unavailable M6*50 (10 pcs) hole 2.0Variant sold out or unavailable M8*8 (20 pcs) hole 2.5Variant sold out or unavailable M8*10 (20 pieces) hole 2.5Variant sold out or unavailable M8*12 (20 pieces) hole 2.5Variant sold out or unavailable M8*14 (20 pcs) hole 2.5Variant sold out or unavailable M8*16 (20 pieces) hole 2.5Variant sold out or unavailable M8*18 (10 pieces) hole 2.5Variant sold out or unavailable M8*20 (10 pcs) hole 2.5Variant sold out or unavailable M8*22 (10 pieces) hole 2.5Variant sold out or unavailable M8*25 (10 pieces) hole 2.5Variant sold out or unavailable M8*30 (10 pcs) hole 2.5Variant sold out or unavailable M8*35 (10 pcs) hole 2.5Variant sold out or unavailable M8*40 (10 pcs) hole 2.5Variant sold out or unavailable M8*45 (10 pcs) hole 2.5Variant sold out or unavailable M8*50 (5 pcs) hole 2.5Variant sold out or unavailable M10*20 (10 pcs) hole 3.0Variant sold out or unavailable M10*22 hole 3 (10 pieces) 304Variant sold out or unavailable M10*25 hole 3 (10 pieces) 304Variant sold out or unavailable M10*30 hole 3 (10 pieces) 304Variant sold out or unavailable M10*35 hole 3 (10 pieces) 304Variant sold out or unavailable M10*40 hole 3 (5 pieces) 304Variant sold out or unavailable M10*45 hole 3 (5 pieces) 304Variant sold out or unavailable M10*50 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 20 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 25 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 30 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 35 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 40 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 45 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 50 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 55 hole 3 (5 pieces) 304Variant sold out or unavailable M12 * 60 hole 3 (2pcs) 304Variant sold out or unavailable

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304 stainless steel C-head thin head hollow exhaust screws are precision-engineered fasteners designed for vacuum and exhaust systems, featuring a hexagonal punch-through hole and hollow threading structure. Covering sizes M3 to M8, these screws combine lightweight thin-head design with robust 304 stainless steel construction, delivering excellent corrosion resistance, durability, and airtight performance—ideal for automotive, industrial machinery, and vacuum equipment applications.

The C-head thin profile ensures a low-profile fit, avoiding interference with surrounding components, while the hex design enables easy installation with standard tools. The hollow threading and punch-through hole structure facilitate efficient exhaust and vacuum circulation, maintaining system pressure stability. Crafted from food-grade 304 stainless steel, they resist rust, oxidation, and harsh media, suitable for both indoor and outdoor use.

Whether used in exhaust pipelines, vacuum chambers, or precision mechanical assemblies, these screws provide reliable fixation and seamless fluid/gas circulation, meeting industrial standards for vacuum and exhaust system fasteners.

Core Features & Advantages

304 Stainless Steel Build: Superior corrosion resistance and durability for harsh environments.
C-Head Thin Profile: Low-profile design avoids component interference, ensuring compact installation.
Hex Punch-Through Hole: Easy tool operation and efficient exhaust/vacuum circulation.
Hollow Threading Structure: Optimizes airtightness and pressure stability in vacuum/exhaust systems.
M3-M8 Size Range: Covers small to medium specifications for diverse industrial applications.

Key Specifications

Material: 304 Stainless Steel
Head Type: C-Head, Thin Head
Drive Type: Hex (Hexagonal)
Design: Hollow Threading, Punch-Through Hole, Hollow Exhaust/Vacuum
Sizes: M3 - M8
Applications: Automotive Exhaust Systems, Industrial Machinery, Vacuum Equipment, Precision Assemblies
Performance: Corrosion-Resistant, Airtight, Low-Profile, Durable