Do these fit t-slots that take 20mm heads? What size head do these have?

I had to shave them down to fit well in my slots... the stamped edges of the metal were a tiny bit deformed, so I used a grinder and made them work. I wish I could post a picture to assist in your question, as I documented what I had to do to make them work with my cross bar slot (Yakima rack). I did leave a review, with pictures. Find that review and the other gentleman who used digital calipers. Should answer your question(s).

What is the width of the base... is it 3/4"? That is what i need for my thule rack.

Looks like 25/32”. But description says it is Thule compatible

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Pmsanzay 4 Pack Heavy Duty Eye Bolt, Stainless Steel - M8 Eye Nuts, Track Mount Tie Down Eyelet to Hold Your Bungee Cord or Ropes Anchoring, Anchoring kit

Pmsanzay 4 Pack Heavy Duty Eye Bolt, Stainless Steel - M8 Eye Nuts, Track Mount Tie Down Eyelet to Hold Your Bungee Cord or Ropes Anchoring, Anchoring kit

Product ID: 311736560

🔧universal track compatibility

⚙️500kg load rated

🛡️marine-grade stainless steel

72.98 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Secure your adventure with strength and style!

UNIVERSAL FIT - Seamlessly integrates with Rhino, Thule, Yakima & more roof racks
HEAVY DUTY STRENGTH - Supports up to 500kg for ultimate load security
MULTI PURPOSE TIE OFF - Perfect for securing coolers, fishing gear, paddles & kayak accessories
NO DRILL INSTALLATION - Quick-release track rail adapter means zero damage, max convenience
MARINE GRADE DURABILITY - Crafted from anti-corrosive stainless steel that laughs at saltwater

The Pmsanzay 4 Pack Heavy Duty Eye Bolt kit features premium M8 stainless steel eye bolts rated for 500kg working load, designed specifically for harsh marine environments with corrosion resistance. Compatible with most T or C channel roof racks including Rhino, Thule, and Yakima, this universal tie-down solution installs easily without drilling, providing a reliable anchor point for outdoor gear and accessories.

Specifications

ASIN	B08XYS83X3
Best Sellers Rank	#64,779 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in Eye Nuts
Brand Name	Pmsanzay
Customer Reviews	4.3 4.3 out of 5 stars (140)
Date First Available	March 4, 2021
Item Package Dimensions L x W x H	6.81 x 4.57 x 1.1 inches
Item Weight	0.01 kg
Manufacturer	Anchoring Accessories
Material	Stainless Steel
Package Weight	0.01 kg
Part Number	792332002110
Size	One Size

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