TO-SC-EXT-5 -Screw Extractor Drill Bit Tool, Set of 5

This is a five piece set of screw extractors and drill bits to remove broken or seized screws.

Material: 45 # Carbon Steel
Model: #1/#2/#3/#4/#5

Head diameter:
#1   2.6mm
#2  3.0mm 
#3  4.0mm       
#4  5.0mm       
#5  8.0mm 

Thread length:
#1  19mm  
#2  22mm        
#3  26mm        
#4  31mm  
#5  35mm  

Total length:
#1  54mm 
#2  58mm  
#3  64mm        
#4  75mm        
#5  81mm  

Handle diameter:
#1  3.0mm
#2  3.6mm
#3  4.0mm       
#4  6.3mm       
#5  8.5mm 

Suitable range:
#1  4-6mm    
#2  6-8mm 
#3  8-11mm     
#4  11-14mm   
#5  14-18mm