Screw Aluminum 1/4-20 Black Button head with shoulder

For all Buell XB 9/12 body panels mounting.

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Material: 
high tensile aluminum 7075
aircraft application 
color Black annodiced 

Tensile strength:
540 - 600 N/mm² 
CNC made JM

Spanner size:
SW 4 ( 5/32 ) 

tightening TQ max 5,5 NM ( 4 Lbs/ft )   

use grease to stopp the bolts from seasing

Head diameter:
14 mm ( 9/16 ) 

shoulder 7,8 mm x 4 mm 

Size ;
1/4 UNC- 0,67 ( 17 mm )  

sold a piece