U-DRILLS self drilling screws are engineered for speed, consistency and strength. They are cold formed with rolled thread for superior point strength and fast drilling performance in steel base materials up to 0.50 inch thick. The screws are available in a variety of head styles, thread lengths and drill points from #6 to 1/4" size. The U-DRILLS screws meet SAE J78-1998 standard requirements.
Material
- Cold heading quality wire
- carbon steel: AISI C1022
- stainless steel AISI 410
Heat treatment
- Tempered and case hardened
- Case depth: Size #6 - 0.002" -0.007" Size#8-12 - 0.004"- 0.009" Size 1/4" - 0.005" -0.011"
Surface Hardness
- 50-56 HRC equivalent
Core Hardness
- 32-40 HRC equivalent
Corrosion protection
- Zinc plating - 0.0002" as per ASTM F 1941-00-
Ruspro I coating - 1000 hrs salt spray resistance
U-DRILLS self drilling screws are engineered for speed, consistency and strength. They are cold formed with rolled thread for superior point strength and fast drilling performance in steel base materials up to 0.50 inch thick. The screws are available in a variety of head styles, thread lengths and drill points from #6 to 1/4" size. The U-DRILLS screws meet SAE J78-1998 standard requirements.
Material
- Cold heading quality wire
- carbon steel: AISI C1022
- stainless steel AISI 410
Heat treatment
- Tempered and case hardened
- Case depth: Size #6 - 0.002" -0.007" Size#8-12 - 0.004"- 0.009" Size 1/4" - 0.005" -0.011"
Surface Hardness
- 50-56 HRC equivalent
Core Hardness
- 32-40 HRC equivalent
Corrosion protection
- Zinc plating - 0.0002" as per ASTM F 1941-00-
Ruspro I coating - 1000 hrs salt spray resistance
