Every kit and part shipped out of our shop is inspected again by a different team member before shipment. Our famous midget ratchets are punched from USA stainless steel, hand assembled, inspected and tested before placed into a tool set.Įach set is then also hand inspected, assembled and the accompanying brochure is signed by the assembler.

of Keys Space Width Internal (A) Fit Permanent Fit (B) Fit to Slide Not Under Load (C) Fit to Slide Under Load Normal Major Diameter. They're heat treated to specific tolerances and then finished with a rust inhibitor black oxide coating. STANDARD SAE PARALLELKEY SPLINE 1 Monday-Friday 7a-4.30p Saturday 7a-12p. Long spline area for telescoping drives or transfer drive applications. We precision mill our screwdriver bits on modern equipment that hold tight critical tolerances and produce screwdriver bits with sharp corners, flat ends and no burrs to fit straight and snug into fastener heads. Straight sided splines are all to SAE standard. W35 X 2 X 30 X 16 X 9G Spline Dia Module Pressure Angle No of teeth Fit 6.

We've added more tools and different types of bits since our inception, but the basic assemblies are unchanged. Many people say that they 'don't make things like they used to.' Here at Chapman, our famous midget ratchet and screwdriver bits are essentially unchanged since 1936. SAE Code Shaft Diameter (D) Shaft Length (SL) Shaft Extension (TL) Key Width Spline Details. Your support of Chapman MFG in turn supports all the American workers that we rely on! We support American made machinery tool and die makers, fabricators, metal finishers, machine part manufacturers and other local service providers. Chapman tools are made in Durham, CT from USA materials.

Standard 6b spline sae fit