are they made out of steel or aluminum it says both ?

Mine are made of steel. They tighten down without bending. A nice set of hold down clamps.

Are these M6 size bolts/threads?

They certainly appear to be, since the slots are 8.25mm (0.326") and the threaded screw holes very nearly fill the raised slot-filling boss. It would be easy enough to verify by capturing a vendor photo at 45 degrees and scaling it to normalize the length, then rescaling it by 1.414 to account for the angle. You can then simply measure the hole in the photo directly to get its diameter.

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Genmitsu 4PCS T-Track Mini Hold Down Clamp Kit, Compatible with 3018-PRO/3018-MX3/3018-PROVer CNC Router Machine

Product ID: 252390032

Details

Brand
Genmitsu
Colour
Silver
Item dimensions L x W x H
5 x 2 x 4
Item weight
0.2 Kilograms
Material
Alloy']
Number of Packs
4

📏Compact 50x20x56mm size

🔩Zinc-Aluminum Alloy for durability

🛠️Fits all 3018 series CNC routers

COP 103375

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Clamp down on precision and never miss a cut!

BUILT TO LAST - Crafted from premium Zinc-Aluminum Alloy for superior wear resistance
PRECISION FIT - Engineered specifically for Genmitsu 3018 series & compatible CNCs
ROCK SOLID GRIP - Holds materials up to 30mm thick with unwavering stability
COMPACT POWERHOUSE - Small footprint, big performance—ideal for desktop CNC workstations
UNIVERSAL VERSATILITY - Perfect for woodworking, metalworking, and all your CNC setups

This 4-piece mini T-track hold down clamp kit, made from durable Zinc-Aluminum Alloy, is designed to securely hold materials up to 30mm thick. Sized at 50x20x56mm, it fits perfectly with Genmitsu 3018 series CNC routers and other compatible desktop CNC machines, offering versatile and reliable clamping for woodworking, metalworking, and precision machining tasks.

Specifications

ASIN	B08H5K2VVK
Best Sellers Rank	229,118 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,225 in Router Accessories & Parts
Brand	Genmitsu
Colour	Silver
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (642)
Item Dimensions	5 x 2 x 4 centimetres
Item Weight	0.2 Kilograms
Manufacturer	Genmitsu
Material	['Zinc-Aluminum Alloy']
Model Number	CP50
Number of Items	4
Number of Packs	4
Part Number	CP50
Set Name	4
Style	Clamp
Tensile Strength	300 Pounds Per Square Inch
UPC	816550023853

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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COP 103375

Duties & taxes included

In stock

Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Colombia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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