Machine Screw Round Robertson®

  • Designed for use with nuts and washers
  • Use with pre-threaded components
  • Robertson® drive
Primary Applications Threaded metal fastening, machine assembly, hardware installation, electrical fixture installation, repair and maintenance, equipment assembly

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View Individual SKUs

Benefits & Features

  • Metal Applications: Designed to be used in conjunction with nuts and washers in metal-to-metal applications
  • Robertson® Drive: Robertson drive engagement helps keep the driver bit aligned during installation

SKU Specifications

SKU Gauge Screw Length Quantity Drive Size Product Color Drive Type Description
0655170106530102 10 1/2 5000 #2 Silver Comb 10-24 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170106610102 10 3/4 4000 #2 Silver Comb 10-24 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170106690102 10 1 4000 #2 Silver Comb 10-24 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170106730102 10 1 1/4 4000 #2 Silver Comb 10-24 X 1-1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170106770102 10 1 1/2 3000 #2 Silver Comb 10-24 X 1-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655170106850102 10 2 3000 #2 Silver Comb 10-24 X 2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655170106890102 10 2 1/2 2000 #2 Silver Comb 10-24 X 2-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 2,000 Count Box
0655160103610102 6 3/4 5000 #1 Silver Comb 6-32 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170107530102 1 1/4 4000 #2 Silver Comb 10-32 X 1-1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170107570102 1 1/2 3000 #2 Silver Comb 10-32 X 1-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655170104930102 8 1/2 5000 #2 Silver Comb 8-32 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655200101290102 4 3/8 5000 #0 Silver Comb 4-40 X 3/8 Round Comboination, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655160103450102 6 1/4 5000 #1 Silver Comb 6-32 X 1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655160103490102 6 3/8 5000 #1 Silver Comb 6-32 X 3/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655160103530102 6 1/2 5000 #1 Silver Comb 6-32 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170106930102 10 3 2000 #2 Silver Comb 10-24 X 3 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 2,000 Count Box
0655170107250102 10 1/4 5000 #2 Silver Comb 10-32 X 1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170107290102 10 3/8 5000 #2 Silver Comb 10-32 X 3/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170107330102 10 1/2 5000 #2 Silver Comb 10-32 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170107370102 10 5/8 4000 #2 Silver Comb 10-32 X 5/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170104970102 8 5/8 5000 #2 Silver Comb 8-32 X 5/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170105010102 8 3/4 5000 #2 Silver Comb 8-32 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170105090102 8 1 4000 #2 Silver Comb 8-32 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170105170102 8 1 1/2 4000 #2 Silver Comb 8-32 X 1-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170105210102 8 1 3/4 3000 #2 Silver Comb 8-32 X 1-3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655170105250102 8 2 3000 #2 Silver Comb 8-32 X 2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180110160102 14 1 3000 #3 Silver Comb 1/4-20 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180110180101 14 1 1/4 3000 #3 Silver Comb 1/4-20 X 1-1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180110180102 14 1 1/4 3000 #3 Silver Comb 1/4-20 X 1-1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180110200102 14 1 1/2 3000 #3 Silver Comb 1/4-20 X 1-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180110240102 14 2 2000 #3 Silver Comb 1/4-20 X 2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 2,000 Count Box
0655180110280102 2 1/2 2000 #3 Silver Comb 1/4-20 X 2-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 2,000 Count Box
0655170107410102 3/4 4000 #2 Silver Comb 10-32 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655170107490102 1 4000 #2 Silver Comb 10-32 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655160103690102 6 1 5000 #1 Silver Comb 6-32 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655160103730102 6 1 1/4 4000 #1 Silver Comb 6-32 X 1-1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655160103770102 6 1 1/2 4000 #1 Silver Comb 6-32 X 1-1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655160103850102 6 2 3000 #1 Silver Comb 6-32 X 2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655170104850102 8 1/4 5000 #2 Silver Comb 8-32 X 1/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170104890102 8 3/8 5000 #2 Silver Comb 8-32 X 3/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655170107650102 10 2 3000 #2 Silver Comb 10-32 X 2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
0655180108130102 12 1/2 4000 #3 Silver Comb 12-24 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180108210102 12 3/4 4000 #3 Silver Comb 12-24 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180108290102 12 1 4000 #3 Silver Comb 12-24 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110060102 14 3/8 4000 #3 Silver Comb 1/4-20 X 3/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110080101 14 1/2 5000 #3 Silver Comb 1/4-20 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 5,000 Count Box
0655180110080102 14 1/2 4000 #3 Silver Comb 1/4-20 X 1/2 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110100102 14 5/8 4000 #3 Silver Comb 1/4-20 X 5/8 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110120101 14 3/4 4000 #3 Silver Comb 1/4-20 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110120102 14 3/4 4000 #3 Silver Comb 1/4-20 X 3/4 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 4,000 Count Box
0655180110160101 14 1 3000 #3 Silver Comb 1/4-20 X 1 Round Combo, Zinc Finish, Robertson® Square Drive Round Head Machine Screw, 3,000 Count Box
Robertson Screws

Robertson Screws, Trusted for Generations

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