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  4. Button Head Steel Metric

 

Button Head Cap Screw, M3 x 6mm long Qty 6

Alloy Button Head Cap Screw, M3 x 6mm, 6 each.
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SKU Number: RRCBHCSM3X6
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M3 x 12mm long Qty 6

Alloy Button Head Cap Screw, M3 x 12mm, 6 each.

SKU Number: RRCBHCSM3X12
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M3 x 16mm long Qty 6

Alloy Button Head Cap Screw, M3 x 16mm, 6 each.

SKU Number: RRCBHCSM3X16
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M3 x 20mm long Qty 6

Alloy Button Head Cap Screw, M3 x 20mm, 6 each.

SKU Number: RRCBHCSM3X20
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M3 x 25mm long Qty 6

Alloy Button Head Cap Screw, M3 x 25mm, 6 each.

SKU Number: RRCBHCSM3X25
Price: $2.50 
Quantity:
 

Button Head Cap Screw, M3 x 30mm long Qty 6

Alloy Button Head Cap Screw, M3 x 30mm, 6 each.

SKU Number: RRCBHCSM3X30
Price: $2.50 
Quantity:
 

Button Head Cap Screw, M3 x 35mm long Qty 6

Alloy Button Head Cap Screw, M3 x 35mm, 6 each.

SKU Number: RRCBHCSM3X35
Price: $2.50 
Quantity:
 

Button Head Cap Screw, M3 x 40mm long Qty 6

Alloy Button Head Cap Screw, M3 x 40mm, 6 each.

SKU Number: RRCBHCSM3X40
Price: $2.50 
Quantity:
 

Button Head Cap Screw, M4 x 6mm long Qty 6

Alloy Button Head Cap Screw, M4 x 6mm, 6 each.

SKU Number: RRCBHCSM4X6
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M4 x 12mm long Qty 6

Alloy Button Head Cap Screw, M4 x 12mm, 6 each.

SKU Number: RRCBHCSM4X12
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M4 x 16mm long Qty 6

Alloy Button Head Cap Screw, M4 x 16mm, 6 each.

SKU Number: RRCBHCSM4X16
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M4 x 20mm long Qty 6

Alloy Button Head Cap Screw, M4 x 20mm, 6 each.

SKU Number: RRCBHCSM4X20
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M4 x 30mm long Qty 6

Alloy Button Head Cap Screw, M4 x 30mm, 6 each.

SKU Number: RRCBHCSM4X30
Price: $1.50 
Quantity:
 

Button Head Cap Screw, M4 x 40mm long Qty 4

Alloy Button Head Cap Screw, M4 x 40mm, 4 each.

SKU Number: RRCBHCSM4X40
Price: $2.50 
Quantity:
 

Button Head Cap Screw, M4 x 45mm long Qty 4

Alloy Button Head Cap Screw, M4 x 45mm, 4 each.

SKU Number: RRCBHCSM4X45
Price: $2.50 
Quantity:

Metric Button Head Cap Screws

Button head cap screws have a low, rounded head driven by a hex key, giving a clean look and a broad bearing surface that suits many RC building tasks. This category covers metric button head cap screws in a single common diameter across a range of lengths.

M3 Lengths

The M3 button head cap screws are sold in packs of six and span lengths from short to long, letting you pick the reach a joint needs without stacking washers to take up slack. Common uses include mounting servos, hatches, cowls, and other bolt-on parts where the head will be seen.

Because the head sits low and takes a hex driver, these screws are easy to snug down in tight spots and to remove again during maintenance. Choosing the correct length keeps the threads fully engaged without protruding past the nut.

Select the M3 lengths your build calls for in the listings below.
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