Holo-Krome B7 Heavy Hex Cap Screws – Imperial

B7 Heavy Hex Cap Screws

ASTM A193 B7
4140 Steel

Unified National Round Coarse – 2A

H440 — UNRC – 2A ASTM A193 B7

ASME B18.2.1

H440 - PRODUCT DRAWING - d1=dia., b=thread length, L=shank length
Holo-Krome Critical Application Fasteners
Diameter d1 1/2-13 5/8-11 3/4-10 7/8-9 1-8
FULLER Diameter Code 024 026 028 030 034
Length Code  BULK  (*Sold in bulk quantities)
1 0100 340  110
1 1/4 0125 290  100  30
1 1/2 0150 290  40  30  140
1 3/4 0175 270  30  30  130
2 0200 240  60  50  120  80
2 1/4 0225 220  60  40  110  80
2 1/2 0250  200  60  40  110  70
2 3/4 0275  340  60  40  100  60
3 0300  310  50  30  80  60
3 1/4 0325  50  30  70  50
3 1/2 0350  190  40  30  90  190
3 3/4 0375  40  30  90  80
4 0400  180  40  30  80  110
4 1/4 0425  30  20  80  110
4 1/2 0450  160  30  20  70  100
4 3/4 0475  70  20  70
5 0500  150  40  70  70  60
5 1/4 0525  60  50
5 1/2 0550  130  40  70  60  40
5 3/4 0575
6 0600  120  40  160  180  40
6 1/2 0650  150  100
7 0700  90  200
8 0800  30  50
Order Number -> 1/2 x 2-1/2 = H440-024-0250 (Diameter Code x Length Code)

FASTENERS FOR THE OIL AND GAS INDUSTRY

HOLO-KROME introduces its lineup of MADE IN THE USA B7 Heavy Hex Cap Screws. Machinery and equipment used in the oil and gas industry is subject to some of the harshest conditions, both environmental and fatigue. Not only are these pieces of equipment designed to withstand these conditions, the fasteners used in assembly should be of equal strength. HOLO-KROME prides itself in manufacturing a line of world-class, 100% domestically manufactured, B7 Heavy Hex Cap Screws are completely capable of out-performing the competition.

PRODUCT SPECIFICATIONS

ASTM A193 Grade B7

100% Made in the USA Holo-Krome Quality

Minimum tensile strength 125,000 PSI

Wider head than that of a standard hex bolt

4140 Alloy Steel

Rockwell Hardness (HRC) 28-34

Greater bearing surface; distributes clamping load over greater area

Full Stocking Product Line

Available from 1/2″ to 1″ in diameter

RoHS & DFARS Compliant / 100% USA Melt

TARGET INDUSTRIES & APPLICATIONS:

Petrochemical

Power Generation (Solar, Nuclear, Oil, Coal, Natural Gas)

Paper and Pulp Facilities

High-Heat Applications

Compressors

Vacuum Products

Industrial Tank Fabrication

hk-b7hexcapscrewshk-pic-gaspipelinehk-pic-industrygasmanometer

hk-pic-storageoiltanks

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