Product Technical Guides : US-EN Anchor Fastening - August 2021

DESIGN DATA IN MASONRY

HIT-HY 270 adhesive with Hilti HAS threaded rods and deformed reinforcing bars ( Rebar )

Hilti HAS Threaded Rods Deformed Reinforcing Bars ( Rebar )

Permissible Base Materials

Grout-filled concrete masonry

Permissible drilling method

Hammer drilling with carbide tipped drill bit

Hilti TE-CD or TE-YD hollow drill bit ( for diameters 1 / 2 " - 3 / 4 ")

Figure 1 — Hilti HIT-HY 270 specifications for HAS threaded rod and reinforcing bars in grout-filled concrete masonry walls

h _o d _f d _o h _ef

Hilti installation specifications for HAS threaded rod in grout-filled concrete masonry walls

Setting information Symbol Units

Nominal rod diameter ( in .) 3 / 8 1 / 2 5 / 8 3 / 4

Nominal bit diameter d _o in . 7 / 16 9 / 16 3 / 4 7 / 8

Nominal / effective embedment	h _o / h _ef	in . ( mm )	3-3 / 8 ( 86 )	4-1 / 2 ( 114 )	5-5 / 8 ( 143 )	6-3 / 4 ( 171 )
Maximum installation torque	T _inst	ft-lb ( Nm )	6 ( 8 )	7.5 ( 10 )	7.5 ( 10 )	10 ( 13.5 )

Diameter of fixture hole d _f in . 7 / 16 9 / 16 11 / 16 13 / 16

Hilti installation specifications for reinforcing bars in grout-filled concrete masonry walls

Setting information Symbol Units

Rebar size # 3 # 4 # 5 # 6

Nominal bit diameter d _o in . 1 / 2 5 / 8 3 / 4 7 / 8

Nominal / effective embedment h _o / h _ef in . 3-3 / 8 4-1 / 2 5-5 / 8 6-3 / 4 ( mm ) ( 86 ) ( 114 ) ( 143 ) ( 171 )

MATERIAL SPECIFICATIONS

Table 1 — Properties of fully-cured HIT-HY 270 adhesive
Compressive strength	ASTM D695 / DIN 53454	7,252-10,153 psi	50-70 MPa
Modulus of elasticity ( Compression test )	ASTM D790 / DIN 53452	246,568 psi	1,700 MPa
Water absorption	ASTM D570 / DIN 53495		3 - 8 %
Electrical resistance	VDE / DIN 0303T3	4.2 x 10 " ohm / in .	1.065 x 10 ¹² ohm / cm
Material specifications for Hilti HAS threaded rods and Hilti HIS-N inserts are listed in section 3.2.8 .

Product Technical Guides : US-EN Anchor Fastening - August 2021 | Page 180