Robertson Screw Machine . Robertson had expanded, by this time, into Europe. But his fortunes turned bad when the war (WW1) started. His European partners turned out to be less than honorable. However, he was riding the euphoria of a blossoming product. MACHINE SCREWS . DRILLCRETE . At Robertson Inc. we believe that an aggressive program of research and development is vital to maintaining a leadership position in our industry. Our Engineering heremitted to exploring more efficient product designs, more effective materials and new applications for our fastening systems. Robertson worked hard on his invention, which addressed all those issues and finally developed a machine to manufacture screws , with such unique designs. In those days, the newly developed fasteners were soaring high and had almost dominated the entire hardware industry.
The Great Neck Robertson #2 Square Tip Screwdriver has chrome plated . #8 x 1-3/4 Stainless Deck Screws (100 Pack), Square Drive, Type 17 Wood Cutting Point, by Bolt Dropper, 18-8 (305) Stainless Steel, Hidden Fasteners. Find great deals on eBay for robertson screws . Shop with confidence. Skip to main content . Solid Brass Flat Head Wood Screw 10 x 1 1/2 Robertson Drive 100 Pcs NEW See more like this. 1 1/4 INCH ROBERTSON COATED SCREWS - UNDER 1LB - CLEARANCE* . Robertson Whitehouse 1/4-20x3/8 Round Head Square Socket Machine Screws 100pcs. Machine Screw Size #000 #00 #0 #1 M2, M2.2, M 2.5 #2 M3, M3.5, M4, M4.5, M5 #3 M6, M8 . Robertson screws heremonplace in Canada, though they have been used elsewhere: 85–86 and heree heremon in other countries in recent decades.
Description Machine Screw Flat Head Square Drive Zinc #8-32 (100/pk) 100 screws /pack; Flat/countersunk head sink into the material so that the screw … In 1908, P. L. Robertson began to manufacture a square recess impression in the head of a screw in Milton, Ontario, Canada. At that time, it was a revolutionary change in the fastener industry. SQUARE DRIVE RECESS ( ROBERTSON DRIVE) SCREWS Specifications Dimensions The square drive recess was the first recess-type drive developed with the intent for large volume screw production. Today, over a century later, square drive screws are widely available, inexpensive and have many advantages over other drive systems:
Browse a variety of Screws in bulk, screws we carry include Machine , Self Tapping, Drilling, Deck, Drywall, Lag, SEMS, Thread Forming Cutting Screws . Below is a list of screw categories heremon uses, along with information about what Fastener SuperStore can do for you. Select a …