Receive discounted pricing with our Apex Bit Packs quantity discounts! Apex has manufactured top-quality screwdriver bits for decades in response to the ever-changing demands of fastener applications. These demands vary by industry, but are particularly exacting in the aviation industry. Special alloys have been developed that offer attributes suited to the specific demands of the aerospace and automotive industries. Bits of equal hardness from different brands will yield different results. We understand that determining the material/brand of choice can be a confusing process.