B&S ULTRA PRECISION 1-2-3 BLOCKS

Ultra Precision 1-2-3 Block Set

FEATURES:

• Oversized to allow for nominal lapping: .0001-.0003".
• 23 Holes: 5 tapped 3/8"-16; 18 untapped thru holes.
• Case hardened (HRC 55-60).
• The cross drilling is designed to minimize weight, maximize strength.
• Squareness on all sides to within .0001".
• Blocks precision ground on all 6 surfaces.
• Surface finish from 6 to 16 micro inches.

INCLUDES:

• Hex Key
• (2) 1 × 2 × 3" blocks
• (5) 3/8"-16 stainless steel socket head cap screws.
• Shop hardened, molded case.

B&S ULTRA PRECISION 1-2-3 BLOCKS