Alpha HSS STI Intermediate Tap | BSW 5/8″ x 11 TPI

Prepare a damaged 5/8″ x 11 TPI internal thread for a wire insert with Alpha HSS STI Intermediate Tap | BSW 5/8″ x 11 TPI. Unlike a standard fastening tap, this HSS tool cuts the purpose-sized STI thread that receives the insert. Its precision geometry is manufactured to ISO 529 for consistent sizing. The intermediate lead helps guide the tap into the prepared hole and supports a smooth cutting action. Drill to the correct tapping size first, apply suitable lubricant and keep the tap aligned during use. Supplied as one tap for matching BSW thread repair work.

Key Features:

• Purpose-made STI geometry: Cuts the oversized thread required for a wire thread insert
• High-speed steel construction: Provides durable cutting performance
• ISO 529 manufacture: Supports consistent tap quality and sizing
• Intermediate lead: Helps the tap start accurately and cut smoothly