PennEngineering - HSCB™ Self Captivating Screw - Unified

Unit of Measure

Items	HSCB-440-4ZI HSCB™ Self Captivating Screw - Unified	HSCB-440-4ZI HSCB™ Self Captivating Screw - Unified	HSCB-632-4ZI HSCB™ Self Captivating Screw - Unified	HSCB-632-4ZI HSCB™ Self Captivating Screw - Unified
Thread Size	N/A .112-40 (#4-40)	N/A .112-40 (#4-40)	N/A .138-32 (#6-32)	N/A .138-32 (#6-32)
Type	N/A HSCB
Thread Code	N/A 440	N/A 440	N/A 632	N/A 632
L ± .015	N/A .320 in
Min. Sheet Thickness	N/A .040 in
Hole Size in Sheet + 0.003 - 0.000	N/A .112 in	N/A .112 in	N/A .138 in	N/A .138 in
Es ± .010	N/A .312 in	N/A .312 in	N/A .352 in	N/A .352 in
H1 Ref.	N/A .300 in
H2 Ref.	N/A .470 in
Ts Min.	N/A .130 in
Driver Size	N/A #1 Phillips	N/A #1 Phillips	N/A #2 Phillips	N/A #2 Phillips
Min. Dist. Hole C/L to Edge	N/A .156 in	N/A .156 in	N/A .178 in	N/A .178 in
Thread Specification¹	N/A External ASME B1.1, 2A
Material	N/A Hardened Carbon Steel
Finish	N/A Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless
For Use in Sheet Hardness	N/A HRB 80 or Less (Hardness Rockwell "B" Scale) HB 150 or Less (Hardness Brinell)
CAD Supplier	N/A PennEngineering® (PEM®)
¹ As with all Class 2A/6g external threads with an additive finish, the maximum major and pitch, after plating, may equal basic sizes and be gauged to Class 3A/4h, per ANSI B1.1, Section 8, Table 3A and ANSI B1.13M, Section 8, Paragraph 8.2.