Any idea pitch sizes? Metric come in 1.0, 1.25 etc.

The ones I purchased were standard coarse pitches

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450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel

450Pcs M3/M4/M5/M6/M8 Allen Head Socket Hex Grub Screw Set Assortment Kit with Internal Hex Drive - 12.9 Class Black Alloy Steel

Product ID: 502298767

Details

Exterior Finish
Black
Head Style
Socket
Item dimensions L x W x H
19.5 x 13 x
Material
Alloy Steel
Thread Size
M3 M4 M5 M6 M8

📦organized durable transparent box

🔩450pcs versatile sizes

🛠️12.9 class alloy steel strength

£49.69

Duties & taxes included

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Description

🔧 Elevate your toolkit with the ultimate hex screw arsenal — never get stuck again!

UNMATCHED DURABILITY - Premium 12.9 class black alloy steel for superior hardness & corrosion resistance
COMPLETE SIZE SPECTRUM - 15 precision M3-M8 sizes to fit every project need
EFFORTLESS ORGANIZATION - Compact transparent box with segmented compartments for instant size access
TRUSTED SUPPORT QUALITY - Backed by responsive after-sales service and 4.6-star user satisfaction
PROFESSIONAL GRADE PERFORMANCE - Fully threaded internal hex drive screws engineered for maximum grip and reliability

The Rustark 450Pcs Allen Head Socket Hex Grub Screw Set offers a comprehensive assortment of 15 metric sizes (M3 to M8) crafted from high-strength 12.9 class black alloy steel. Packaged in a durable transparent box with individual compartments, this set ensures quick size identification and organization. Designed for professional and DIY use, these fully threaded internal hex screws deliver exceptional corrosion resistance and mechanical reliability, making them ideal for precision repairs and assembly tasks across garages, workshops, and homes.

Specifications

ASIN	B07QFVRS77
Best Sellers Rank	#158,238 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #68 in Set Screws
Brand	Rustark
Colour	Black
Compatible Groove Diameter	8 Millimeters
Country Of Origin	USA
Customer Reviews	4.6 4.6 out of 5 stars (744)
Drive System	Internal Hex
Exterior Finish	Black
Fastener Size	M3 x 3mm, M3 x 4mm, M3 x 10mm, M4 x 4mm, M4 x 6mm, M4 x 10mm, M5 x 5mm, M5 x 8mm, M5 x 12mm, M6 x 6mm, M6 x 8mm, M6 x 10mm, M8 x 8mm, M8 x 12mm, M8 x 16mm
Fastener Type	Machine Screw
Finish Types	Black
Grade Rating	class_ 12.9
Head Type	Hex
Item Diameter	8 Millimetres
Item Dimensions	19.5 x 13 x 3.5 Centimeters
Item Weight	1 Pounds
Manufacturer	Rustark
Material Type	Alloy Steel
Maximum Shear Strength	200 N/mm²
Metal Type	Alloy Steel
Model	R-jimi screw
Number of Pieces	450
Part Number	R-jimi screw
Screw Head Style	Socket
Set Screw Thread Type	Metric
Size Name	M3, M4, M5, M6, M8
Thread Class	12.9
Thread Coverage	Fully Threaded
Thread Size	M3, M4, M5, M6, M8
Thread Style	Metric Fully Threaded
Thread Type	Metric
UPC	079986235331 799862353316
Unit Count	1.0 Count

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